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      01-12-2013, 10:54 AM   #22
parky1215
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Drives: Lucy, F80 M3
Join Date: Nov 2010
Location: Claremont, CA

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Quote:
Originally Posted by quasitime View Post
I'm contemplating downpipes, but I'm one of those odd ones that actually likes the quiet operation of our stock setup.

Safe to say there's no way to get the performance of an aftermarket downpipe, without the added noise level?

Opinions welcome...
If you are thinking about going with catless downpipe, I have barely used ar design catless downpipe with integrated vibrant resonators in it. This may be suitable for you as it gives you same power gain as catless downpipe but with reduced drone and noise.
If interested, check my sales post.

http://www.e90post.com/forums/showthread.php?t=789294

As long as you have secondary cats in place, you won't smell much gas after cats get warm.