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Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons Bolt-Ons | Intakes | Exhaust

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Old 11-30-2010, 03:47 PM   #201
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I just did mine myself, I bought one piece of mandrol bent U bend and one 4' section of straight pipe. With a little work and some home welding it cost me 30 bucks It sounds great but I dont feel any power increase.
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Old 06-15-2011, 09:36 AM   #202
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I was looking into doing this, a cheap alternative to an exhaust mod. One thing that I don't think anyone has said, is that you actually have 2 sets of mufflers, the ones you removed are the rear mufflers. the front mufflers are right after the cats, they are a swoll area of pipe, they were used to "tune" the exhaust.

Im tempted to just save up and get a good system, but this is a quick, cheap-in the mean time....
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Old 06-15-2011, 09:45 AM   #203
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Quote:
Originally Posted by Nasty1970 View Post
I was looking into doing this, a cheap alternative to an exhaust mod. One thing that I don't think anyone has said, is that you actually have 2 sets of mufflers, the ones you removed are the rear mufflers. the front mufflers are right after the cats, they are a swoll area of pipe, they were used to "tune" the exhaust.

Im tempted to just save up and get a good system, but this is a quick, cheap-in the mean time....
The ones in the front are called resonators. Some people take those out and some don't. Usually when they come out the H-pipe comes out as well and an x-pipe is put in it's place.
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Old 06-15-2011, 12:14 PM   #204
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Answering Outlaw77's question:
http://www.camaro5.com/forums/showthread.php?t=102075
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Old 06-05-2012, 01:03 AM   #205
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Question: I'm REALLY torn between the muffler delete and some Flowmasters.

I have a Sawz-all and a jack or two....

If I just cut the pipe before the muffler, just to kind of test out the sound, driving around the block, etc, it's in effect the same thing as having the muffler shop cut and weld the piece right out to the tips, right ?????

I'm not trying to be cheap, I'm just trying to evaluate sound level and drone before I decide to order Flowmaster mufflers (75 bucks a piece). If I like the sound and can live with the drone, I can just take it straight to a muffler shop, have them cut the muffler off, and do the rest of the delete job. If I don't like the sound/drone, I can live with the sound for a few days while I get the Flowmasters in.

I guess my biggest question is, will the sound change much with that extra little bit of piping, and worst case scnerario, will it hurt the car if I leave it like that for a few days while I get the Flowmasters in (all the muffler shops want ~125 for each muffler, and admitted and recommended I just get it online cheaper) ????

I'd like to do this tomorrow morning before work if I can (I work in the afternoon) so any prompt responses would be greatly appreciated.

Thanks.
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Old 06-05-2012, 07:09 AM   #206
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without the pipes ran the rest of the way out, it will resonate under the car a little more, but the sound will be pretty similar.
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Old 07-06-2012, 12:18 AM   #207
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I just got mine done the other day....I couldn't be happier. The only complaint I have is poor gas mileage! Butttt that's because i keep stepping on the gas so i can hear the engine brake...the thing sounds incredible!!

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Old 10-21-2012, 02:01 PM   #208
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Hello to all! I have also done the muffler delete on my 2012 Camaro SS, M6. I did it myself in the garage, took about two hours, total. I hacked the tips off of the factory mufflers, as well as the muffler hangers, to re-use on the straight pipes.
I live in Albuquerque, NM, and can assist anybody wanting to perform this simple mod to their car as well. I think it cost me about $35-40 in parts, from O-Reilly Auto. Text or PM, 919-7Z1-7OO9.

-Scott
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Old 11-19-2012, 09:16 PM   #209
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im happy with my muffler delete......
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Old 11-21-2012, 09:09 PM   #210
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I was told the mufflers were 40lbs each....
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Old 11-21-2012, 09:33 PM   #211
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I did this to mine within 2 weeks of buying it. Took the money I saved on the exhaust and bought a cold air intake and a tune. I have the L99 and it sounds pretty good
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Old 11-22-2012, 09:11 AM   #212
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Quote:
Originally Posted by con10der View Post
I was told the mufflers were 40lbs each....
About 50 total if I recall correctly.I recall saving 28 lbs total over aftermarket ones. Heavy when trying to put them up on a shelf though..lol
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Old 01-19-2013, 10:23 PM   #213
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Can someone with an L99 that's done this mod please post a vid? I love the sound on the LS3's, but would hate to find out the AFM on the L99 sounds annoying.
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Old 01-19-2013, 10:38 PM   #214
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Can someone with an L99 that's done this mod please post a vid? I love the sound on the LS3's, but would hate to find out the AFM on the L99 sounds annoying.
Gary,

Here ya go! Did mine more than two years ago...sounds great. Don't have any drive-by videos though.

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Old 01-19-2013, 10:47 PM   #215
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I didn't like the drone. J-Pipes eliminate the drone. On highway driving in Texas between 70-80 with a SS M6 mine is quiter than stock now
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Old 01-19-2013, 11:12 PM   #216
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THIS HAS TO DRONE!!!! ???
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Old 01-19-2013, 11:55 PM   #217
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I had full straight pipes on my car and it cost me 80 dlls for the whole kit minus the x pipe it was 180 for the full kit from a local shop sounded great for a while but got tired of the drone at cruising speeds so ipgraded to full corsas and those sound better i guess what im trying to say 200 dlls is alittle steep for judt the rear section of the car imho
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Old 01-20-2013, 07:58 PM   #218
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Thanks Gunny. So, yours doesn't have the stock resonator since you have the cat back Magna flow, right? I'm interested in hearing just the muffler delete with the rest of the stock exhaust intact on an L99. Especially when the AFM kicks in.
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Old 01-22-2013, 08:36 AM   #219
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I have a SLP loudmouth Axle-Back & Basically it's a Muffler delete just like this.... Mine sounds very similar...
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Old 02-27-2013, 11:36 PM   #220
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Has anyone tried this with a l99 vert? Wondering if the volume and the drone are worse with the rag top?
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Old 02-28-2013, 03:35 PM   #221
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Originally Posted by Cheryls_Inferno_Conv View Post
Has anyone tried this with a l99 vert? Wondering if the volume and the drone are worse with the rag top?
interested in the same thing! will be looking to see if anyone comes through with an answer
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Old 03-22-2013, 12:56 PM   #222
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Ditto.
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Old 04-07-2013, 11:29 AM   #223
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at a local shop, i got mine done for $50
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Old 08-12-2013, 08:16 AM   #224
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Just had the muffler deleted done on my L99 at Muffler Masters in Kannapolis, NC. Gene over there did a great job, the pipes look like they are stock pipes and weld work is awesome.

The car sounds incredible now, like a V8 should sound like from the factory. THERE IS NO DRONE. I haven't had the tune yet or removed the AFM using the Range device. But I drive with the tapshift on 99% of the time, so AFM is pretty minimal when you do that. My buddy did drive in full auto mode, and neither one of us noted any drone.

It's not too loud either, you can have a normal conversation without shouting but man does the car sound mean now
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Old 08-18-2013, 05:43 PM   #225
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Are there any HP gains from the muffler delete?
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