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Old 09-21-2012, 10:13 AM
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CJ645Bern CJ645Bern is offline
Location: Deptford, NJ
Join Date: Sep 2011
Posts: 224
Mein Auto: 05' 645ci & 01' z3
Originally Posted by Z3Papa View Post
Straight pipe from the end of the exhaust manifold, straight pipe from the resonator, what? Just so you know, if it's the former, your car will be ear piercing loud as hell at WOT. I am working on a design for a 6 in 1 exhaust manifold without CAT's, then a single race CAT to a 3" single pipe with two (one mid, one end) race mufflers with a optional take off at the first muffler. This setup will be on the margins of 100 DB limits for my events with the take off. Without either muffler, I'm certain it would be way over.
Straight pipe from whatever is smartest. I dont wanna lose back pressure or anything. Im naive with this stuff lol
live fast, drive faster

2010 Acura TL (daily driver)
2005 BMW 645ci Coupe (traded for TL)
2001 BMW z3 3.0i vert' (TOTALED RIP)
1991 NISSAN 300zx 2+2 (gave to brother)
2007 BMW z4 (traded for 6er)
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