exhaust questions
08-22-08, 04:23 PM
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exhaust questions
can i run a pipe right off the turbo or do i need a downpipe? is it a big fine for running no cat? the car dosent need an e-test so am i in the clear? the exhaust port i n the turbo isnt big enough for a three inch pipe so my plan was to start at 2.5 then expand to 3'' will it work?
08-23-08, 01:39 AM
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the first pipe off the turbo is the downpipe, the stock turbo has a 3" exhaust outlet so i don't know where u go 2.5 from?!?!
if u don't have to pass emission then yes u can take off the cat, but an exhaust shop can't do it for u.
if u don't have to pass emission then yes u can take off the cat, but an exhaust shop can't do it for u.
08-23-08, 12:13 PM
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well its an s5 turbo and i mesured the opening with a tape and it measured 2.5 inches so thats where i got that number and i know what a downpipe is but the stock downpipe apeared to be thicker than normal exhaust pipe so i was wondering if i needed that extra thickness or if i could just bend it all in one pipe or not. i think i got it figured out thanks for posting man. haha looks like no cats for me 
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