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Old Apr 23rd, 2008, 12:10 PM   #10
hedgetrimmer
MINI2 Newbie
 
Join Date: Oct 2007
Local Time: 12:02 PM
Posts: 48
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I doubt you will get any tangible increases from a cat back system. I would imagine you are only looking at 1-3bhp max at top end and very little in it further down. The noise will simply make you feel that you are going quicker.
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