Thread: Test Pipes vs Mid pipe vs Rear Section HP gains
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      08-28-2013, 01:56 PM   #85
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Drives: F13 M6
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Quote:
Originally Posted by UroGator View Post
Can anyone comment on the exhaust note with test pipes + stock exhaust sounds?
personally I wanted more so I added an axle-back with it. mainly did the test pipes just for the gains.
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