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11-15-2008, 12:41 PM
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#20 |
 
Drives: 2008 Black Sedan Join Date: Oct 2008
Location: FL
Posts: 966
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so i thought the header would give like 1 +whp. thats what i read a while back pre hack. does the mid pipe help that much? what can the expected gains be? and does it work with an axle back exhaust
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