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

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Old 11-05-2008, 02:44 PM   #1
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Exhaust replacement

Can someone please explain to me the options availiable for exhaust...

Like..what is different from stock to the cat-back...

what would be different from just changing the mufflers...

what are you doing for the best sound with out any other motor modifications..
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Old 11-05-2008, 03:02 PM   #2
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The cat-back may have larger diameter pipes, freer-flowing and slightly louder mufflers, and larger diameter tips. There are also likely resonators in the system that the cat-back system will have different ones, or none at all.

If all you want is sound, just changing the mufflers would likely do it, though the resonators may play a role in that as well.

"Best Sound" is too subjective. Every exhaust company has a different sound and you can usually tell what exhuast a car has by that sound. For instance, you can't really confuse Flowmasters for a Corsa, or Magnaflow for a Borla. It all depends on what you're looking for.
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Old 11-05-2008, 03:10 PM   #3
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Originally Posted by ljustin293 View Post
Can someone please explain to me the options availiable for exhaust...

Like..what is different from stock to the cat-back...

what would be different from just changing the mufflers...

what are you doing for the best sound with out any other motor modifications..
From the pics' I've seen (and I may not have seen all of them) it looks like we're only getting muffler replacements. The rest of the exhaust seems to have mandrel bends and an X-pipe so that's a good thing. I also understand there are going to be an off-road version in addition to the ?legal? catback. I think I might replace the whole system with an aftermarket catback if I end up going with a supercharger if the OEM system is "only" 2.5-inches in diameter.

Borla, Magnaflow, and I'm sure others, already have catbacks for G8s, so I'm sure it won't take much to get one to fit Camaro If they could only make side exhaust with molding rocker moldings, I'd be in heaven
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Old 11-05-2008, 03:47 PM   #4
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The cat-back may have larger diameter pipes, freer-flowing and slightly louder mufflers, and larger diameter tips. There are also likely resonators in the system that the cat-back system will have different ones, or none at all.

If all you want is sound, just changing the mufflers would likely do it, though the resonators may play a role in that as well.

"Best Sound" is too subjective. Every exhaust company has a different sound and you can usually tell what exhuast a car has by that sound. For instance, you can't really confuse Flowmasters for a Corsa, or Magnaflow for a Borla. It all depends on what you're looking for.
so would I be better off getting the GM catbacks or just getting flowmasters??
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Old 11-05-2008, 04:03 PM   #5
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so would I be better off getting the GM catbacks or just getting flowmasters??
it depends what you want. maybe the stock ss exhaust will sound good....i mean they have a panel of engineers who's job is to 'tune' the exhaust note. for me however, if i'm not satisfied with the factory sound, i will be installing flowmaster.
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Old 11-06-2008, 05:17 AM   #6
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it depends what you want. maybe the stock ss exhaust will sound good....i mean they have a panel of engineers who's job is to 'tune' the exhaust note. for me however, if i'm not satisfied with the factory sound, i will be installing flowmaster.
I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
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Old 11-06-2008, 05:31 AM   #7
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I'm not too sure what to tell you but if you get pulled over for loud pipes it would seem to me that you could get out of the ticket by showing them this is how it was build and it had to pass regulations.
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Old 11-06-2008, 06:07 AM   #8
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I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
Also you'll have to consider your warranty. When using GMPP parts, your warranty remains intact. When using aftermarket parts, your dealer could make the case that you've voided your warranty if anything goes wrong. Just something to think about.
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Old 11-06-2008, 06:23 AM   #9
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I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
If you want the best sound, find the company that sounds the way you like and buy their exhaust. The camaro development team spent a bunch of time creating the exahust to sound great so you might like the stock sound.

It's all personal preference.
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Old 11-06-2008, 10:22 AM   #10
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I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
wait and listen. We can't tell you what sounds better for 2 reasons.

1) we haven't heard the Camaro with aftermarket exhaust systems
2) our opinion of what sounds better will probably be different from yours
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Old 11-06-2008, 11:13 AM   #11
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I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
For the best bang for the buck I would suggest Flowmaster. It has a definite deep powerful, loud sound, and prices are pretty reasonable. I have them on my 69SS, my 2000 RS, and my Silverado. They all sound great. The only draw back is that they have some "drone" right before each shift.

For my 2010 SS I want to go a little different. I am thinking either Corsa or SLP. I feel that the sound of these 2 mufflers fits a modern muscle car better. I'm definitely leaning towards Corsa, deep and race car sounding!
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Old 11-06-2008, 11:21 AM   #12
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It's just to early to tell. Personally, I'm gonna wait until I can actually hear the stock system before I make a decision.


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I'm still confused on what to do...I want to get the best sound for the least amount of money for now...so what would be my best route to go?
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Old 11-06-2008, 11:27 AM   #13
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not wasting money on mufflers. just gonna get STS to replace my mufflers with turbos.
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Old 11-06-2008, 11:35 AM   #14
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I'll be going with all GMP parts, but in all honesty if you want the meanest sounds...slap some Cherry Bombs on there. I had a '74 Firebird with those and it was bad ass.
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Old 11-06-2008, 11:58 AM   #15
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not wasting money on mufflers. just gonna get STS to replace my mufflers with turbos.
many jurisdictions consider that running open pipes and its illegal, you might want to look into that before you pull the trigger
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Old 11-06-2008, 03:41 PM   #16
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borla made the gmpp exhaust that is optional for the camaro.
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Old 11-06-2008, 03:47 PM   #17
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Also you'll have to consider your warranty. When using GMPP parts, your warranty remains intact. When using aftermarket parts, your dealer could make the case that you've voided your warranty if anything goes wrong. Just something to think about.

Most if not all CBE's will NOT void a warranty. As long as the Catalitic Converter is not touch, or anything between it and the Manifold. You should be fine.

This is direct information from my dealer.
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Old 11-06-2008, 09:32 PM   #18
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ok thanks for the help...I don't want to do anything to break the law...I have flowmasters on my silverado..and I really like the sound of it...I just want something a little louder..and I wonder of the GMPP will be louder
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Old 11-06-2008, 09:57 PM   #19
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borla made the gmpp exhaust that is optional for the camaro.
I think that corsa makes the gmpp exhaust's for a number of gm cars and trucks. I've compared the designs of gmpp and corsa on more than a few applications and they are identical except for the stamped on name. Can someone post some pics comparing the two.
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Old 11-06-2008, 10:01 PM   #20
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borla made the gmpp exhaust that is optional for the camaro.
Corsa and gmpp both offer a touring and sport version of their exhaust systems.
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Old 11-07-2008, 08:46 AM   #21
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I’m going to wait and see what Flow Master comes up with… Hard to beat those Delta Flows…
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Old 11-07-2008, 07:38 PM   #22
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If your going to replace exhaust, you should just do header back. The whole system. Best gains, lower temps, really good sounding.
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Old 11-07-2008, 07:39 PM   #23
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? The stock converters on the SS, would they be high flow?
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Old 11-07-2008, 07:48 PM   #24
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They would be more concerned with emissions than flow. Aftermarket will always perform better than stock because they do not always have to compromise.
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