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Old 06-28-2011, 10:20 PM   #22
Zabo
Bowtie to the brim
 
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Drives: '10 R6P 2SS/RS M6, '96 S10 ZR2 M5
Join Date: Sep 2008
Location: Woodhaven, Michigan
Posts: 9,584
Quote:
Originally Posted by LS1-Z28 View Post
Thanks for the pics. Yeah I was originally going to go with Pacesetter Headers TSP ORY and LM1 once I had the money to change exhausts. I have Magnaflow on it right now, so that's why I'm asking if there is a Y-pipe that fits to the stock manifolds. If I can find one I may just do that for now lol..

And my Dad told me I really need to run cats, said I will get a fuely smeel to it, which I've heard, but is it that bad??

I still gotta find a picture to what I wanna do with my front grille, I got a really go idea!
On perf. cars, I hardly notice it.

If you wanted you could run Race/High Flow Cats but in any case it won't pass emission tests without the stock bottles on so it's sorta moot. Also if you look closely on the left side of the Y pipe pic you'll see a flattened portion of the pipe; done so it maintains a set ground clearance and meets with the cat. Long design-to-meet-emissions story with that one.

Most aftermarket Y pipes will correct this and there are some out there that will mate right up to the stock Cats. I'd do so because the gains GM were attempting are negligible, a 3 inch diameter pipe will fit fine.
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2010 2SS/RS M6
Black on Black, Silver Rally Stripes, NPP Exhaust, 1LE Rear Diffuser,
SLP Z/28 style Blackwing CAI
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