Hollow out muffler. With some simple tools I had around the house I was.

Hollow out muffler A muffler’s job is to reduce the sound waves so that your car will not make too much noise. Wasnt planning on doing that. How To Hollow Out A Muffler Almost any material can help contain sound; the denser it is, the better it works. if you dont have emissions then gut it out. May 29, 2001 · I don't consider hollowing out cats a good idea. 93 D-250 4x4 ext,exhaust,injectors,lift,ect. Anyway if this question ever comes up for anyone here's a 1st hand answer, ill let ya know if anything changes after the new muffler install. Its job is to reduce the impact of the gases emerging from the engine due to the combustion and burning of fuel. Now it seems Iv lost most of my torque and some of my kw. 3 LS and added a chambered muffler like Corsa or Flowmaster, you will get a hollow, more aggressive sound through the rpm range because the high frequencies aren’t being cancelled out. Take off only 2 mufflers (leave 2 resonators on) without getting any additional mufflers - a more aggressive sounding note, without the hollow resonation on the interior. There are numerous benefits when you hollow out your catalytic converter, and there are also some disadvantages. But, if you knew Plymouth. It wont sound tough, it will sound raspy. 5XP, iDrive, Tazer JL Mini Jun 2, 2015 · As for the optimal exhaust flow, generally speaking, most if not all stock exhaust manifolds are a bigger factor in restriction; wayyy bigger than whether a cat will cause a big enough restriction to reduce performance considerably. Fits 2" diameter exhaust. Made by Shafer's Classic. Tunezilla was pretty quick to respond to my inquiries but I had basically answered my own questions. 0 dually flat+boxes,juice box. Is there a way around it? Is It doesn't matter if the whole exhaust is OEM, custom-welded by a muffler shop (necessary on old/rare cars lacking correct exhaust part sources) or a series of aluminum cans - assuming it's all safely contained without risk of leakage, fire, or anything else. If I remember right, they are 13mm nuts. 5k winch, 6k hid headlights, 5k hid fogs, ats stage 3 trans and other stuff May 4, 2009 · Just a wierd question guys but has anyone ever hollowed out there dpf and done a dpf delete tune? just for the appearance of a factory exhaust system. What purpose would "hollowing" it out serve? Why would you think hollowing it out would improve anything? I went there 2yrs ago and had a Muffler and tailpipe installed. 08 6. It uses a hollow pipe – allowing exhaust gases and sound waves to flow out easily to improve performance. 8) Anti-Lag System. Just kidding. Mar 29, 2010 · Sounds to me like you're referring to chambered mufflers that use chambers to deaden the sound without hampering the flow. Hollowed out the muffler now it wont start. if your gonna open up your exhaust why restrict it with a cat. May 21, 2009 · I have a Fabspeed catalytic converter and a Dansk sport muffler, I was curious if i would be able to knock out the catalytic converter, essentially making it a cat-bypass (I think). A straight through muffler is gonna gain some power over the stock muffler because of it's design. The braided wire is hollow, and when it is "compressed" it will fit over and around the bracket. this Saturday I rode 350 miles round trip to Bristol ct to buy cobra slip ons from a guy off craigslist 100 percent better. Sep 14, 2016 · DPF Hollowing Out. to/31KqieU Jun 22, 2012 · Just a little walk through on gutting a cherry bomb turbo muffler. limped in for repair. I've never heard of hollowing out a muffler but I have heard of hollowing out the catalytic converter. Cost savings: In some cases, hollowing out an existing catalytic converter may be perceived as more cost-effective than purchasing a new aftermarket replacement. Take off all 4 mufflers and replace with 2 aggressive ones - really aggressive sound on the exterior, but very loud and hollow on the interior when MDS kicks in ($$$) 2. Oct 7, 2010 · I had hollowed out mine on my ranger a few years ago because it was bad. Made i my cat is hollowed out, i have shorties and borla. Exhaust flow is probably a bit more laminar since the back end necks down out the back instead of hitting a flat plate with a hole in the Nov 29, 2015 · But if you use two super 44's in the rear I think you'll get close to the sound you want, or get a dual in/dual out super 40 delta (only muffler with dual in dual out) and put it right after the X or H pipe. Also I want a little tone to my exhaust but nothing loud. Play dumb. Apr 24, 2009 · Lost some EGR sensor that cut boost to 20 PSI. 5:1, 30" Mongrels on front, Ironsides on rear w Sedona Beadlocks, Jagged Nerfs, FUTV 1/2" Full Skids, Weller brace and TEX frame Gussets, Lights, PowerBases XL-1200, Alba Intake Spacer and stacks, Homemade quick removable air pumper. If you want loud, you could drill the passage in the front so it goes directly out the back. When exhaust gases are contained, the backpressure increases and vehicle power, performance and fuel economy suffer. 7L QCSB 4x4, 68RFE, deletes, Smarty, AD150 Reactions: dawgone 6. Aug 31, 2005 · The original post explains hollowing out, but basically you cut open the mufler and remove some or all of the baffles then weld it back together. Not feasible for us with the amount of work it takes to swap dpf’s. All exhaust passages inside a muffler have an uninterrupted flow from the entrance to the exit. Dec 30, 2022 · The most common approach to hollowing out a catalytic converter is removing it entirely from the vehicle. 06 Silverado Reg Cab Stock except for flowmaster 40 muffler, and monroe sensatracs Dec 3, 2014 · Want to make it "sound" better. My neighbor mentioned to me that exhaust gas analysis may return for newer vehicles starting in '17. The rear chamber on the muffler on my ’01. 2) Poke Holes in Your Muffler. If you have a friendly muffler man, they might make one up for you. The muffler cotton is aged and deteriorated, and may be blown out by the exhaust, and gradually gathered in the car exhaust pipe, so that the cross-sectional area of the exhaust pipe has changed. Is this empty chamber creating a redicilously high pressure zone thats like asthma for my Mar 14, 2016 · Cheers, Mark Blue 2016. 0L Power Stroke Diesel - Hollowed out cat will it still pass emissions? - I have an '05 excursion and I live in colorado where we have emissions. My inspection guy said there is no use for it. Jun 4, 2021 · Removing the catalytic converter can improve horsepower and will make your car go faster and provide improved sound - especially if you are running a big V8 engine. Jan 15, 2006 · Here in Las Vegas, you still have to pass a visual inspection. Step 5: Hollow It Out. Stainless steel construction for lifelong protection; 100-percent Welded design for maximum durability; Dyno proven to flow up to 2,000 SCFM and support up to 2,000 horsepower Feb 20, 2007 · During the exhaust stroke, a good way for an engine to lose power is through back pressure. 5 is a resonator chamber. Feb 15, 2011 · 10 ccsb F350 FX4, 12 bed and front clip, 14-16" OUO series 500 lift, 3" King coilovers, 24x14 custom cut American force on 40x15. I have heard that flowmaster make a 3 chamber, dual in dual out muffler. The tailpipe rusted at the weld on the Muffler outlet sleeve and broke off a couple days ago. Aug 19, 2009 · Or completely hollowed out muffler cases,thats what I did , I had some thrush glasspacks,but with the x pipe it wasnt much louder than the stock single exhaust, Its louder now,but not overly loud, and going down the road 55 in OD with the windows up you cant hear it much at all just a very subtle rumble. :thumbsup: 2020 Jeep Gladiator Rubicon - Skyjacker 2. This is for my x5 35d. When you hollow out the cat, you create a large open chamber that can kill gas velocity and actually hurt performance. Reactions: Josh Heron Save Share Dec 8, 2004 · dont gut your cat, it will make a hollow metal opening in your exhaust system and wont resonate very well. See more related questions in the comments below. Unplug the sensors and unbolt the two secondary cat sections. Nov 11, 2008 · Id just go to your local muffler shop and have them make one and install it. Aug 23, 2015 · The acutual muffler runs the exhaust to the back, then front then back again. to/2Fm7F7t 18" x 3" ID Resonator Pipe -- https://amzn. Hollowing out catalytic converter requires a hammer to Dec 13, 2024 · Signs of a hollowed-out converter include louder exhaust noise, decreased fuel efficiency, and warning lights on the dashboard. Which means, instead of using steel plates to bounce sound waves, turbo mufflers absorb the sound waves. I can hear some rattling coming from inside it, same thing as my ranger. Or is it leaking down the side of the exhaust manifold? Or is it leaking out the carbon canister which is near the exhaust manifold. IT actually breathes too well:laughing: but only on the exhaust. 04 F-450 6. I can pick up an old muffler from a friend for $20 and with a few welding tricks install a locking hinge door on the end of the muffler. They downsized my tailpipe diameter without informing me. Gutted the exhaust. 5/1. Test Pipe Method - I'm wanting to do one or the other method: 1. 2002 Gmc CCSB 4x4 Bone stock but not for long!! Aug 13, 2024 · Some performance exhaust systems optimize combustion, which can help you achieve better miles per gallon during your rides. It often lacks a catalytic converter and muffler, allowing all the noises produced by your engine and the rear of your vehicle to be heard. Weller KOH, Eibach Sway kit, TW 70/30/15 w clutch mod (self installed), Big Gun Full Exhaust w Graves Tune, Krash Cage, PRP 5 Pt, HESS 1. David Jan 28, 2023 · What I ended up doing was order the Stage 1 tune from Tunezilla, hollowed out the DPF, removed cat and exhaust flap. 5 cat delete stromung pipe, why dont I just hollow out my stock 2. Designed with CORSA Performance RSC® Technology, CORSA Performance has evaluated a broad spectrum of V8 firing sequences to deliver a solution that mitigates MOST drone inducing frequencies to provide the best acoustic muffler solution for custom built V8 cars Dec 31, 2008 · C3 Tech/Performance - Hollowing out Cat Conv. The catalytic converter works like a muffler on the average vehicle. 50 Kumho KL71, 20x10 MotoMetals, Fab Fours Stubby, Warn 9. g. Jun 21, 2019 · Stainless Steel Exhaust Clamp -- https://amzn. However, one advantage that a hollowed-out catalytic converter has over a traditional cat delete is that it’s much harder for a regular cop to see what’s going on. Another path is to explore eco-friendly modifications , like upgrading your vehicle's air intake system . Then, detach it from the exhaust. Sent from my iPhone using Autoguide Jan 9, 2024 · You can then get an earlier intake with dual carbs and a stock exhaust manifold with the two-into-one header pipe and have a muffler shop adapt that to your existing exhaust. Found this on a old laptop of mine. From 2015. 6) Open Headers. It should be pretty cheap. i hollowed it out and it changed the sound of the truck a lot, you could hear the air resonating in the empty chamber of the cat, and the CEL still comes on every now and then. Just don't ask them to put it on. Choosing the right material for your Triumph Bonneville Bobber's exhaust system is crucial, as it directly impacts durability, performance, and maintenance needs. I ask that we please not Dec 4, 2021 · complete how to hollow your cats and avoid exhaust tickets!!!!we take into the whole process of hollowing your cats from all dodge chargers challengers chrys Posted by u/[Deleted Account] - 2 votes and 2 comments Apr 16, 2007 · 1. Hollow out the cat and the computer will have a fit. I was thinking I might want a little exhaust tone, but not too much. Cheap mufflers are usually packed with a sound deadening material and will decrease the exhaust flow. This is why automobiles equipped with a straight pipe exhaust system are louder than stock vehicles. Here is the easiest way that I have found in order to remove the material inside of catalytic converter. Jul 27, 2015 · I have not noticed any Regens occuring, and I'm trying to figure out if the DPF could have been hollowed out or if its still all there before putting in a dpf delete pipe. If everything sounds normal then congratulations. The outlaw muffler uses fiberglass packing to absorb sound waves as it passes through. I definitely didn’t put oil in the gas or gas in the oil and while the saw runs great, I just don’t like seeing this crap coming out and dripping down the muffler. Either way I got a straight pipe, more HP (prolly like 2), and I just saved May 1, 2010 · Will hollowing out catalytic converter make exhaust louder? Hollowing out the catalytic converter does make it sound much louder. Turbo muffler is wrapped around fiberglass packing that’s great for absorbing sound waves. As far as back pressure, you will not have any issues with the hollowed out tubes. Jan 30, 2012 · Hollowing out a converter is kinda "iffy" in terms of performance. Aug 26, 2022 · The way around this is to run a straight pipe through the hollowed-out catalytic converter, but this creates a bit more work for you to achieve the same results as a cat delete. 1K views 15 replies 7 participants last post by broadwayboyz Mar 11, 2002 Jul 13, 2009 · Hollow out muffler Jump to Latest 7K views 7 replies 6 participants last post by Electrical_Tech Jul 16, 2009 Apr 14, 2002 · Rig your air pump to make it pump into the exhaust manifold all the time. ($) 3. back it out so it isn't as far into the exhaust stream) or try to rig something up to adjust the voltage that the downstream sensor outputs for the ECU to make it read like there's less oxygen in the exhaust than Jan 24, 2020 · Flowmaster's FlowFX series mufflers deliver a moderate performance tone for the enthusiast looking for an exhaust note that is different from the "chambered" muffler sound. I purchased a '78 MGB new, in California, and did this conversion once the car was out of warranty as there were not smog check requirements at that time. Sort of like the guy said above, like a rusty exhaust. Jump to Latest Moved to Fuel System, Air, Exhaust, & Emissions Upgrades . Any chance this might affect the post cat 02 sensors ? Also, I`m considering hollowing the cats. 2. 7L Ram 2500 Laramie Crew Cab Granite Crystal Sport Appearance Group, 68RFE, rear air suspension Amsoil dealer Dec 13, 2024 · They allow for improved exhaust flow, which translates to better overall performance without the legal and environmental ramifications of hollowing out. I will warn you, when I first had my exhaust done I just had the muffler removed and pipes ran out the back. . Purely hypothetically if I were going to try this, I would try to see if I could adjust the position of the downstream sensor (e. 92, 20" wheels trailer brake controller, convenience group, keyless entry, front and rear park-sense, Ms250 not starting, and gas coming out of muffler hey guys, I have a stihl ms250 18" chainsaw i bought 2 years ago and only cut a few branches with. This action muffles the sound of your exhaust in combination with the muffler on your vehicle. Floshine Universal Stainless Muffler Straight-Through Performance Muffler Exhaust FH1235 (center in | center out, 3") 4. When cat delete is not an option, owners hollow out the honeycomb from the inside. -----"Discord" Red 1988 GT under restoration! Let's Go Mets! Jun 16, 2023 · Unlike resonators, exhaust mufflers don’t have any type of sound wave chamber. Hollow out my original catalyitic converter by busting out all the innards. However, there are implications for removing the catalytic converter - mostly legal issues because this type of mod isn’t allowed by the state and can get quite loud - especially when cold starting. Exhaust gas velocity is very important. Legal penalties for tampering with or stealing catalytic converters can include hefty fines and potential jail time. It was a major hassle to pull of the x frame brace, then pull out the old stuff with out wrecking anything now I have to put back on the muffs which are full of loose crap or might buy ss Mar 11, 2017 · I would think you'd throw codes with the hollowing out procedure. If you want more sound from your exhaust, remove the resonators from your stock exhaust system first. I doubt you'd get the carburetor lean enough to cause this unless it is a 2 stroke. 95 D-3500 day cab dually flat. Jan 8, 2024 · 2017 6. The interior features a large 3. Inside the muffler is a metal pipe with holes in the pipe wall, and around that hollowed-out pipe is a sound-deadening material, which is most often glass wool. Jan 9, 2024 · You can then get an earlier intake with dual carbs and a stock exhaust manifold with the two-into-one header pipe and have a muffler shop adapt that to your existing exhaust. Unbolt exhaust system from the cats back. :thumb: 2010 6. 5) Crackle Tune. Do you still have the front cats in place? 05 XE KC: PERF: Stillen S/C (SOLD), BDGT, Stillen LT headers, Stillen Radiator, custom bpipe w/ Magnaflow metalic core cats, custom dual exhaust, Nismo CAI Jan 10, 2019 · 1. Does anyone have one and how does in sound? or does anyone else make a dual in dual out muffler that sounds good? Feb 19, 2010 · But technically, someone could hollow out a DPF, put a Smarty or H&S programmer on it, and be code-free. 86 F-250 day cab 4x4 6. Mar 3, 2009 · As I just said, Iv just hollowed out my cat. 4. Then, place your crowbar on Jul 26, 2020 · These toxic gasses and sound waves will exit into the exhaust system and eventually out of the car. Make sure you soak the nuts/studs at the front with a good penetrating lube - I broke 3 out of the 4 on my car even though I did. Common sense tells me that can’t be good or normal. you will gain more power compared to having cats. org in category: Blog Finance. There will be a noticeable difference. Feb 25, 2007 · Go Catless I just called a custom muffler shop there is no such thing as a high flow converter he says I had a v6 Camaro and gutted the cats and got a nice performance gain with no fumes smell inside the car but the exhaust coming out the back smelled amazing like a 70s muscle car. I got my truck tuned and my next step is to remove some of the exhaust components. And just for the record dad2bike, backpressure from the exhaust helped your gassers because that is the only backpressure they have. That is, it is blocked. Maybe the insides got blowed out. I installed a new carb thinking the float, needle, or seat must be off. May 26, 2024 · Exhaust note modification: A hollowed-out catalytic converter can produce a louder and more aggressive exhaust sound, appealing to those seeking a distinct auditory experience. Long story short, I had to hollow it out entirley. questions. If the flywheel key is partially sheared, it could be out of time enough to cause this issue and possibly still run. Does having a hole in your muffler affect gas mileage? Oct 18, 2009 · Hollowing out the catalytic converter might hurt performance because of the big empty chamber in the exhaust, which then crams back down into a pipe. There may be a few exceptions of course. With some simple tools I had around the house I was Jan 7, 2015 · It is only a question of whether he will report it to the company. Would there be any performance gains? 2. this setup is EXTREMELY quiet!! even if i unhook it after the first cat. May 6, 2008 · Someone said saw off both side of the cat, take it out, hollow out the honeycomb thing on the inside, clean it out while its out, put it back in place and either weld it (I have a welder available at my job) or use 2 adapters and 4 muffler clamps to hold it back in. 50-inch "straight-through" stainless steel perforated core, surrounded with high-temperature sound absorption materials delivering a deep Nov 20, 2022 · First, you will disassemble the exhaust manifold. If you are you to take the time to do that go buy some quality stainless hardware and have someone weld you a good stainless test pipe for ease of swapping when inspection and emissions come around. If the muffler were to fall off, the engine would still May 24, 2020 · The internal structure of muffler is damaged. The flow cross-sectional area of the exhaust pipe has changed. 0 Lift, 37x13. 3) Aftermarket Catback Exhaust System. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate, Footwell lights, Cobra 29 WXNWST CB radio, Wilson 2000 CB antenna, Kenwood speakers, GM chrome oval running boards, Bilstein 5100s, Michelin Oct 3, 2009 · One muffler shop I talked to said they can't cut a cat out, no matter what vehicle it is on. It'll look stock from outer appearances and you save a few hundred $$ from buying a new delete pipe. Truck pulls like Jack the Bear,Im no Diesel rookie,85 F-250 4x4 ext cab 6. But while 'fixing' my exhaust, I must have cracked somthing inside it. 55-57 Chevy Rebound Muffler & Tailpipe Hanger Clip. Source: worked at a custom shop for many years, had many a customer come in with a cut off muffler. Used to be able to get 'test pipes' :lol: :lol: but have not seen them around in years. 50x24 toyo's, afe intake, coated intl pistons, arp studs, RCD intake manifold, ii phatshaft compounds, pmm cam, pmm pushrods/springs, pmm deletes, Fab Fours bumpers, warn 16. If there is any amount of resistance that the piston has to push against to force the exhaust gases out, power is wasted. The CAT delete cost less than $100, the CAT probably cost 5x's that. its loud and it smells funny but i like it. Sep 25, 2015 · I removed the baffles and cat and installed dk custums TTI's in the now straight thru mufflers ran like crap and was way to loud just annoying noise also got two tickets for the loudness . Nov 22, 2011 · Once you hollow out you stock cats you will not be able to go back and a new set cost about $400 or more depending on the brand. A list has been made to provide you with a balanced review of hollowing out a catalytic converter. The lack of regen and the EGR removed suggest it could be however. I didn't find out until I had paid for the work. I believe the stage 1 is a generic tune as they said it was automated. I have done research a bit on cat-back system and mufflers. Depending on your choice of sound, we have patented and proven chambered muffler series that deliver mild, moderate, aggressive, and very aggressive sounds. Let’s discuss the question: how to hollow out a muffler. Feb 9, 2017 · Mods: MBRP DPF back exhaust, EFI Live w ATP tunes/DSP5, 6in Fabtech lift, 20x12. Turbo muffler pro? Pros And Cons Of Hollowing Out A Catalytic Converter. Sep 20, 2005 · Backpressure is bad if you want to make power. Feb 14, 2012 · Hi, thinking if drilling my stock mufflers but need advice -where and how many holes plus size of holes -the muffler is sealed (baffles )so I quess I have to drill from the outlet end ?mean while Iam trying to find a decent pair to replace them -but thought I would try this first -thanks for the always good advice-- Ken Aug 21, 2024 · The angled rings help cancel out higher-pitched frequencies, leaving the lower-toned frequencies to pass through. What’s actually inside the down pipe that would allow it to be ‘hollowed out’ in a TDI car? I’ve been searching up trying to learn about TDI exhaust systems but I can’t seem to find why they’d recommended hollowing the down pipe. The bracket works all 57 Chevy models. I have a 4 turbo back exhaust with a muffler delete and I also have the egr delete system with the valve still there. That's why they're cheap. With the CAT delete and the thru muffler, the turbo whistle sounds awesome! Mar 10, 2012 · Well I've been running the hollowed out DPF/DOC for almost a week with the mini maxx. We summarize all relevant answers in section Q&A of website Achievetampabay. Still, some car owners would prefer doing that without removing it from the car. Multiple codes will pop up in your computer. 9. 4) Straight Pipe. Apr 30, 2008 · Hollow out the cat! Jump to Latest LT ~ 285/75/R16 toyo open countries ~ Alcoa wheels ~ 8" CATERPILLAR STACK~ blocked egr ~ 150/150 FASS fuel pump ~ BD exhaust Aug 22, 2005 · It is what keeps the exhaust pipe from rattling against the brackets. The power is so smooth, it feels like it runs so much better instead of choking. Exhaust looks 100% stock if you look underneath the truck. Jun 10, 2010 · i already have the dpf and hollowed a straight pipr through it so the only way to tell its hollow is by black in the exhaust or if you take it off. Jan 8, 2024 · You can then get an earlier intake with dual carbs and a stock exhaust manifold with the two-into-one header pipe and have a muffler shop adapt that to your existing exhaust. That'll burn the catylist out in no time. Jan 18, 2016 · Hey y'all. For those that want to reduce the amount of exhaust drone as much as possible in their 4" exhaust, MBRP has the solution! Introducing MBRP's 4" Quiet Tone muffler. This is typically not desirable. Being you are not sure of the failure method I would suggest at minimum removing the muffler and seeing if anything falls out of it when you tip it up. The X or H pipe won't do much for the hollow noise, it will just make it sound smoother or a little more rough. ???? There were some boys on the Production Line during the early-1965 Model Year Production Run who swore that several of the 1965 273 4-Barrel Engines were equipped with a 'special' camshaft from the Chrysler Marine Division, as they wanted the early 273 4-Barrel Dec 13, 2008 · My Lesson is learned and my fix will be to keep the cat hollowed out but install a close to standered muffler to revive some backpressure which should restore most of my Low end torque that has dissapeared. Also check the fuel return line and see if it's intact. As a result, these mufflers offer minimal sound reduction, catering primarily to situations where muffler regulations are in place without specific decibel requirements. I'm really happy with the sound too. Cut the ends off of the existing converter and weld them on to a piece of schedule 40 - 2 1/2 pipe. In this case, your exhaust is 99% of the way to the end of its journey. Next, you'd have to unscrew the bolts that hold the cat con to remove it. You can always get a PO box address in a non-smog area. Many economy mufflers silence exhaust noise by containing the flow of exhaust gases. Best Auto Repair in Sleepy Hollow, NY - Nyack Auto Repair, Cornerstone Auto Repair, Sato Auto Repair, ANR Auto Repair, Mickey's Automotive, Tornello's Service Station, Complete Automotive Repair Services, South Nyack Automotive, Motronice Auto Repairs, AMB Auto Repair Running an upgraded exhaust has its benefits for heat dissipation, however it can have its downfalls, also, and mostly in terms of drone and in cab noise. Used on 1955 Chevy muffler hangers, also on 1955-1956 Chevy tailpipe hangers and early 1957 Chevy muffler and tailpipe hangers. Besides, having the exhaust exit under the truck will be much louder inside the cab. i just took it out to do some yard work and it is not starting no matter what I do. You wont like it. While some people may consider hollowing out a catalytic converter for performance benefits or cost savings, it is important to prioritize environmental responsibility and comply with local and national Now that solution has arrived with CORSA PERFORMANCE Pro Series custom mufflers. I have the rear cat hollowed out, then a turbo muffler, then after the muffler it y's into duel's out the back. Sounds decent. For better exhaust sound only, not performance. My question is simple: what is the best way to get my SL to sound better, low rumble like an AMG (and not having to overhaul/replace the whole Exhaust system. Feb 15, 2002 · I had a real tough time seperating my cat from the Y-pipe. Its just awesome. That's an old wives' tale. Aug 22, 2021 · The Flowmaster Outlaw is a straight-through muffler. Your exhaust sounds better. Lastly, you'd have to reassemble the exhaust manifold and replace the cat con with a straight pipe that fits on it. I would like to hollow out the cat. CORSA PRO SERIES V8 Mufflers are designed to bring that signature, iconic "hollow" CORSA exhaust note to custom builds from all eras. want to keep the cost down a bit)? Can I just replace the Muffler, and which one will you Jul 19, 2014 · To give myself a project this weekend, I hollowed out the secondary cats! It was much a much easier process than I originally anticipated: 1. I have a 95 Trans Am that was running way rich for a while (bad plug wires, mis-firing) and the catylist burned out. Not the best for sound suppression but definitely the best for performance and horsepower. Shop Flowmaster Outlaw and Outlaw II reflection style mufflers now May 11, 2006 · Anyways, I have a sti spt axelback(aka sti genome mellon shooter) and I am thinking instead of buying a 2. Most truck guys swap their exhaust back to stock for smog, and then put the aftermarket exhaust back on. Echo CS-4400. This is how it gets so quiet. Place the converter on the ground, position it upward, and secure it with clamps. Jul 12, 2020 · Ordered 5/19/14; Delivered 7/10/14 (44 days) Laramie QC 4X4, bright white, buckets, 3. While traveling through the exhaust system, the sound waves will go through a muffler before it exits the car. Once you have removed the "C" clamps, remove the old wool, and replace it with two layers of steel braided wire. I thought I was getting exactly what was previously on there. Nov 29, 2008 · I'm looking to hollow out a muffler and make it into a "stealth" storage compartment on my BMW G650X. My 2 stroke chainsaw. Jan 23, 2011 · First things first, remove your exhaust from your car. This CORSA muffler leverages our patented Reflective Sound Cancellation® (RSC®) technology and is designed to reduce drone and maximize airflow — while producing that iconic "hollow" CORSA exhaust note. Any ideas? Only other symptom is an occasional stick in the pull start. Nov 4, 2007 · I replaced the H-pipe, hollowed out the cats and replaced them, and got a good bit of that low end grunt back:thumbsup: What happens is, you increase the exhaust without increasing the intake. vs. It just wears or rusts off over the years. It will theoretically work just like a 4" pipe, and work a lot better than stock. It has new spark plug, oil, air filter, carb, and gas. Would it make my car too loud? If it is possible, what is the best way to knock out the cat? _____ 57 Chevy Muffler Support Bracket Stainless Steel LH & RH. The dynomax has a really bad resonating sound. The police have had no problem with it Gas leaked out the muffler when filled it up originally. Best of Luck to ya. A tune should make it run great but will have to be removed prior to smogging in order to get the readiness monitors functioning. to/2FoFQv0 Exhaust Sealant -- https://amzn. Jay 2013 CCSB Denali Denali Build Thread 2001 Jeep Cherokee XJ Limited Dec 20, 2023 · Hollowing out catalytic converters also introduces reliability threats from structural weakening, irregular exhaust flow, and removing contaminant catchers requiring Aug 18, 2021 · Turbo muffler is designed this way – specifically to reduce restriction and allow exhaust gases to flow out easily. We stock the supplies you need to get your exhaust back in order. 9L and I want a loud sounding exhaust. They can be used on either side of the car, LH or RH. Sep 28, 2018 · How to Get a Loud Exhaust (Without Breaking the Bank) 1) Cut Off Muffler. And Im being cheap and don't want to pt exhaust on. Because the cat is larger in diam than the exhaust piping, the exhaust gases expand inside the cat, and are then forced to compress again when exiting the cat. Mar 18, 2015 · 2009 GMC Sierra 2500HD SLE CC/SB 4x4 LMM EFI Live, Edge Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. A nice muffler really shapes the sound nicely and lowers the high pitched noise. While restoring your Tri-Five, inspect the exhaust and replace rusted or missing parts with replacement muffler support hangers, tailpipe hangers and the brackets needed to attach them. The exhaust valve opens at the beginning of the exhaust stroke, and then the piston pushes the exhaust gases out of the cylinder. This is because of the muffler fiber packing that cancels out the night frequency waves and leave the low tones behind. All I’m gonna say is some hollowed out a dpf’s have a terrible drone. They don't even emission diesels of this year (99) down here. Mar 13, 2012 · I would advise just buying a programmer, turbo-back exhaust, and an EGR delete kit. Reply 1: Hi, That doesn't make sense. The bracket is Stainless Steel with top quality rubber. Can you unclog a catalytic converter without replacing it? Flushing out the catalytic converter with a power washer or soaking it are the best methods for unclogging it. Aug 23, 2008 · C4 General Discussion - how do you hollow or clean out a muffler? - Well today I finally got around to installing my dual ss pipes. 5 with 35s, Nictane fuel filter conversion, AirDog 4G 2. Sep 15, 2010 · I wonder if you can find a junkyard DPF for cheap, hollow it out completely, and then run a delete tune. Twist off sensors from cat sections. Upon closer inspection I noticed it’s actually dripping from higher up and coming out of the spark arrestor screen. It still seems unlikely that it would run that hot. This is a made in the USA part. 5 midpipe? Current I am rocking a tanabe cbe Anyone ever thought(iam sure) of hollowing out the last resonator on a 04 wrx exhaust? Nov 13, 2023 · Unfortunately for you the repair is going to be expensive as you will need to replace the front converter at a minimum. This should obviously affect the post cats O2s. injectors,exhaust,pac brake. Jan 13, 2010 · 6. It's possible that the honeycomb broke up and was trapped in the muffler. I just want it out, with a straight through muffler, I think the cat is getting plugged (180,000 miles). is is safe to hollow out Jun 20, 2016 · Cheers, Mark Blue 2016. Mutton Hollow Chevys has everything you need for your 1955, 1956 and 1957 Chevrolet. It had that clapping sound at WOT and in my opinion did not sound very good. I spoke to a friend who was gonna hollow out the CATs and weld a pipe inside (to keep the appearance for inspection purposes) and reattach them. 4 Oxford White with Stone interior Feb 21, 2005 · take your "Y" pipe off car, take good sized urethane mallet or hammer will work, betatthe bejesus out of the thing, there are two sections of catalyst in the "Y" pipe, bang up, down, back, front, side, side and shake the crud out the ends, i did this will good success, but there will be some left over metal mesh wire and some other pieces of metal in there, im going to cut my cat open and Sep 9, 2013 · Wanna hollow my dpf out Jump to Latest 17K views 14 replies 10 participants last post by BLACKMAX1 Sep 10, 2013 May 24, 2005 · Exhaust Systems - hollowed out muffler? - I've got a '88 bronco II V6 2. If you took that same 5. With the new carb installed it does the same thinggas out the muffler. Material Durability. I think it sounds like crap. Nov 16, 2023 · Step 7: Finally, test out your newly hollowed-out catalytic converter by starting up your vehicle and listening for any changes in sound coming from its exhaust system (this should take about 2 minutes). You're surely not going to burn any pistons. less restriction means more flow. Just as the title states I was wondering if basically using a hollow muffler, like take two 3” ->5” adapters and welding a short 8” length piece of 5” pipe between them would get a little deeper of an exhaust tone. Jump to Latest 8. bypassing all filters on the exhaust (You can make straight pipe exhaust, or hollow out existing filters) blocking off EGR with steel plates (to prevent exhaust gases going to EGR tubing & back to intake) Keep in mind that these tunes are intended for off-road usage only, make sure to respect all the laws & check our disclaimer. And unlike other muffler manufactures, we offer numerous muffler models which can control the drone, also known as interior resonance inside the vehicle cab area. Designed with CORSA Performance RSC® Technology, CORSA Performance has evaluated a broad spectrum of V8 firing sequences to deliver a solution that mitigates MOST drone inducing frequencies to provide the best acoustic muffler solution for custom built V8 cars Dec 16, 2017 · I`m gonna install an Exhaust Cut Out Valve, probably right where the pipes meet and become one, before the Y Resonator. 3. (If its hollowed out, its not worth it, if its not- new pipe going in ASAP). It causes TURBULENCE, which slows down the exhaust, and it hurts the SCAVENGING effect that a good exhaust is supposed to have. What I want to maybe do is, either remove it and make a replacement, or hollow it out and re-install it. The truck can finally breath. While it may enhance exhaust flow and throttle response, it leads to increased emissions and potential engine damage due to a disrupted air-fuel mixture. I got a CAT delete pipe, it takes less than 1 hour to swap them out. 1. Jul 26, 2022 · Hollowing Out The Catalytic Converter By Removing It Take Out The Catalytic Converter From Your Car. 7) Hood or Fender Exit Exhaust. jba catless mids they make o2 simulators redline racing 360. Feb 4, 2014 · The In-Dash Tachometer {lower left hand side} was to be 'Exclusive' with 1965 'Formula S' package. Hollow The Catalytic Converter Out. i replaced the spark plug and air filter yesterday with zero luck. Will it be alot louder, or just a little? Apr 29, 2011 · i hollowed out mine about a year ago because it seemed to rattle a bunch inside the cat, a check engine light kept coming on, and i wanted a different sound from exhaust. 7 Feb 27, 2023 · There are several methods you can follow to hollow out a catalytic converter; you can punch and drill, press wash, use a hammer, or cut it out. 6 out of 5 stars 166 1 offer from $4899 $ 48 99 Dec 13, 2024 · Hollowing out a catalytic converter can seem appealing for improving performance, but I've found it carries serious risks. And they are: Pros The Sound Of The Exhaust Jun 23, 2006 · How do you hollow out the kitty? I have a 2006 LLY with a bank cat back with no muffler. 2002 2500HD LB7 EXT CAB SHORT BED 4X4 Mar 9, 2002 · Hollowing out stock Muffler. If I hollow it out will it change gas mileage, HP, or just give up a code on my O2 sensors. Nov 27, 2015 · In the diagram below, it looks like our catalytic converter is a bolt-on job at both ends. May 17, 2002 · 1987 - 1996 F150 & Larger F-Series Trucks - hollow out both cats? - I have an 89' f-150 with an injected 302. You need to remove the stock catalytic converter connected to the exhaust piping vent at the automobile bottom by using a wrench to make the bolts loose. Is hollowing out the muffler and running a strait pipe out back a good/cheap way to get a good sound? May 1, 2000 · It currently has a dynomax muffler with exhaust manifolds, 2 1/4 custom bent pipes and a 350/350hp motor. Nov 26, 2020 · Does it leak out the tail pipe? That's a lot of fuel to travel through the exhaust, the muffler and up over the hump and out the tail pipe. But I have questions first. Feb 20, 2012 · I think any of these ideas would work fine. Jul 1, 2006 · Most 2wd dont, but apparently yours does, so just knock the ceramic out and call it a day, or just have an exhaust shop fab you up some new pipes. Jul 20, 2008 · mrbp exhaust and cat delete i'd recommend NOT drilling out the CAT, cuz you never know when you might need a legit CAT. Ended up getting a new cheapie just to hollow it out. This expansion is bad for flow when compared to a straight pipe. nps yetc usdc qvz krkrsq molz atkrv wtebfm sfqpay ftx