What exactly is going on with my exhaust here?
Thread Starter
TECH Apprentice
Joined: Jan 2010
Posts: 333
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From: Tucson, AZ
What exactly is going on with my exhaust here? Purchased an '02 SS last week and she sounds real nice. It came with the SLP CME from the factory and all I've been able to tell so far is that there is an SLP loudmouth attached as well - it's too damn cold to go crawling underneath the car!
I snapped a few shots can someone tell me what's going on here? It looks like where the Cat is supposed to be theres a Y-pipe, which goes all the way up to the exhaust manifolds (which I believe are stock)?
Anybody fill me in here as to what the previous owner did? (not that I'm complaining!)
Here is the CME (stock setup):
Going into the loudmouth:
What's going on here? You can see the heat shield - isn't this where the cat is supposed to be?:
I snapped a few shots can someone tell me what's going on here? It looks like where the Cat is supposed to be theres a Y-pipe, which goes all the way up to the exhaust manifolds (which I believe are stock)?
Anybody fill me in here as to what the previous owner did? (not that I'm complaining!)
Here is the CME (stock setup):
Going into the loudmouth:
What's going on here? You can see the heat shield - isn't this where the cat is supposed to be?:
Thread Starter
TECH Apprentice
Joined: Jan 2010
Posts: 333
Likes: 0
From: Tucson, AZ
Will do, first thing tom afternoon.
Let me ask this - where, on a stock Camaro SS, do the pipes branch off into each side of the exhaust manifolds? It can't be down near the cat...
Let me ask this - where, on a stock Camaro SS, do the pipes branch off into each side of the exhaust manifolds? It can't be down near the cat...
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This would be a system with long tube headers and an offroad y-pipe=meaning no cats. The cats would be up close to the engine tucked into where the headers are coming out of if you had cats.
http://image.highperformancepontiac....am+exhaust.jpg
http://image.highperformancepontiac....am+exhaust.jpg
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You probably have cats. The Y pipe is 100% stock. Its pancaked on the driver side like that from the factory. If you follow the y pipe up to the engine thats where the cats will be. large oval type shaped hunks of metal 
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. Thread Starter
TECH Apprentice
Joined: Jan 2010
Posts: 333
Likes: 0
From: Tucson, AZ
Thanks guys!
Honestly it looks to me that everything is stock until the y pipe merges then after the merge is a larger pipe than stock, then that big slp muffler, then custom piping to the CME tip.....
Thread Starter
TECH Apprentice
Joined: Jan 2010
Posts: 333
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From: Tucson, AZ
Makes sense... the muffler that came with the CME is gone (crossflow) and the SLP resonator was put in place... so I'm assuming he had to run some custom piping to match up with the existing CME pieces.
Looks like you have already figured it out - your car never had a cat at the location in question (there were only two from the factory - one directly off of each exhaust manifold), and that looks exactly like a Loudmouth setup, which would not be hard to use with the factory CME. You can pretty much run any exhaust with those tips - I even have duals all the way out the back with those tips.
Sort of... 