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      01-30-2009, 08:18 PM   #148
Vince@ V K Motorwerks
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Drives: 01 Black 911 Turbo, 09 X5
Join Date: May 2007
Location: Bloomingdale, IL

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Quote:
Originally Posted by DR_E92 View Post
are there any real gains to be had if we're still using a stock exhaust?

does it make any changes to sound levels?
There is a good gain by removing the stock cats. They are restrictive. You will even make more power with tunes set up for cat-less downpipes. The exhaust note sounds a little more deeper but not much louder.

Vince
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