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

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Old 03-19-2009, 09:20 AM   #1
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GMPP track pack exhaust upgrade?

so i was just looking through all the camaro parts available in the GMPP catalog and i see "SS track pack exhaust upgrade" for offroad use only. anyone know what this is? does it work in conjunction with the GM cat back that is offered or is it another system? high flow cats on it or none at all? anyone know anything about this?

track pack PN - 92231570
Exhaust upgrade PN - 92206992, 92225672
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Old 03-19-2009, 01:01 PM   #2
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i want it what ever it is off road is always louder!!!!!
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Old 03-19-2009, 03:07 PM   #3
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It's "off-road" cat-back.

Louder, will ROAR you to life, more power due to lower restriction, make you dream of exhaust sounds, cause unexplained acceleration repeatedly.



Louder, does not meet noise regulations, will drone you at highway speeds.



But, I LOVE it!
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Old 03-19-2009, 03:09 PM   #4
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Quote:
Originally Posted by tylermoore View Post
i want it what ever it is off road is always louder!!!!!
F'n A right!!! I think it's just resonators in place of mufflers, like on the CB we've seen from GMPP. I'd like to see how close it comes to Borla's design, because one of their guys said their CB would be more aggressive and flow a little better. If Borla's CB is about the same price as this one from GMPP, flows as good, and sounds about the same, I'll be definately getting this one. It's not going to be too loud, especially through the manifolds and cats' (assuming it's just a muffler/tailpipe replacement).

Does anyone else know?...
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Old 03-26-2009, 08:10 AM   #5
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i havent been able to find a pic of it so im clueless as to what it is. wish we had some more info.
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Old 03-26-2009, 08:33 AM   #6
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You might want to try sending a PM to Robin Lawrence at GMPP. He's good about getting back to people with a response.
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Old 03-26-2009, 09:01 AM   #7
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Typically, off-road versions do NOT have cats at all. My X-pipe on my Mach1 is a off-road Borla which is how they differentiate the cats versus non-cats versions.
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Old 03-26-2009, 10:19 AM   #8
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If it's just a cat-back it's probably labled "off-road only" because it's loud and doesn't meet noise standards. If it goes from the manifolds back it may be "off-road only because it doesn't include cats.
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Old 03-26-2009, 12:35 PM   #9
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http://www.gmperformanceparts.com/_r...09_Catalog.pdf

Page 164 is the exhaust.

Again - my dealer will sell at cost +20%

(Just the "Track Pack") cats back retails for almost 1k / Muzi price w/o shipping is $680
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Old 03-26-2009, 09:45 PM   #10
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maybe corsa is doing that exhaust?? i'm shure gm doesn't have the time to manucfacture parts..
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Old 03-27-2009, 05:37 AM   #11
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Nope its not Corsa. the exhaust was done by Borla.
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Old 03-27-2009, 08:58 AM   #12
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This sounds good and all.. but isnt it illegal? Cops give tickets for noise pollution. Is this an issue?
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Old 03-27-2009, 09:09 AM   #13
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If "Off-road" exhaust means no cats, then it has to be illegal for regular street driving I would think.
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Old 03-27-2009, 09:19 AM   #14
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Check this out. I just found this doing some internet surfing on the subject. This article suggests that the sound level is higher than the manufacturers are allowed to put on the car from the factory (not necessarily illegal on the street maybe?). Hard to say about whether the cats come out or not. We have exhaust experts on this site all over the place. Please chime in and help us understand.

Name:  offroad.jpg
Views: 1299
Size:  204.6 KB

EDIT: Sorry for the Mustang article but I did not find many referencing GM stuff.
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Old 03-27-2009, 10:04 AM   #15
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This sounds good and all.. but isnt it illegal? Cops give tickets for noise pollution. Is this an issue?
Usually it's not an issue. A GMPP system is extremely unlikely to be so loud and obnoxious as to get you in trouble with cops or neighbors.
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Old 03-27-2009, 10:42 AM   #16
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I have a cutout on my 98z28 right before the axle, its not even real loud if your not on the gas. been that way for a year and never had any trouble from the cops. I still have the manifolds and cats, doesnt even drone on the highway really. Put headers and no cats and that changes everything
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Old 03-27-2009, 11:32 AM   #17
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Usually it's not an issue. A GMPP system is extremely unlikely to be so loud and obnoxious as to get you in trouble with cops or neighbors.
Thats good. But the stock seems pretty loud already. I guess we'll just have to see how they sound when the vids start coming around.
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Old 03-27-2009, 10:03 PM   #18
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on the ls7 camaro that gm did, it had their exhaust,--gmpp- is there out there some video of it, engine running so that way we can hear the exhaust sound???or this prototype was only for display only ? all show no go??
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Old 03-31-2009, 07:53 AM   #19
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Hello guy's read the discription. Cat-Back by defanition leaves the cats installed. It's just loud. There are noise requirments that they have to meet.
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Old 03-31-2009, 08:30 AM   #20
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Hello guy's read the discription. Cat-Back by defanition leaves the cats installed. It's just loud. There are noise requirments that they have to meet.
What's a "discription" ?
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Old 03-31-2009, 09:57 AM   #21
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I'll tell you what a cat-back is.

Last summer we had this huge fish fry in our enclosed backyard, and afterwards we had to run off all the alley cats eating the leftovers. Day after that, my neighbor came over and said we were cat-nappers and demanded her "cat back".
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Old 03-31-2009, 10:13 AM   #22
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all "off-road" is, is just a little legal phrase so they can sell you the item and not get into any trouble about it. if they sold you something and said its road legal and you get a ticket, then you could sue them over false advertisement. putting off-road on it just means you install it at your own legal risk.

just about anything aftermarket claims off-road use only on it, i think a K&N intake even says it
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Old 03-31-2009, 10:14 AM   #23
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http://www.gmaccessorydealer.com/det...prod_id=135862

Link to track pack and other gmpp exhaust. Track pack is fully legal.
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Old 03-31-2009, 01:43 PM   #24
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so track pack is louder more $$..but does it gives more hp/tq, compare to the other one that gmpp sells??
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Old 03-31-2009, 05:00 PM   #25
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What's a "discription" ?
It's me typing on a laptop with about 4 other things going on at the same time. So what does that make you the internet spelling police?
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