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      02-27-2013, 01:54 AM   #44
Ashley Schaeffer BMW
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Drives: E92 M3
Join Date: Dec 2012
Location: Charlotte

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Quote:
Originally Posted by M3takesNYC View Post
Placebo effect. Unless you increase the pipe diameter of an exhaust, you can't lose power with a muffler delete
The decrease in back pressure doesnt effect performance??