would i get more horsepower out of slp loudmouth axle back exhaust or straight pipes

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Jan 25, 2012 | 07:58 PM

jzstang2001

Thread Starter

Joined: Jan 2012

Posts: 4

From: VA

would i get more horsepower out of slp loudmouth axle back exhaust or straight pipes

would i get more horsepower out of slp loudmouth axle back exhaust or straight pipes on an 09 gt

Feb 2, 2012 | 01:41 PM

ancona46

1st Gear Member

Joined: May 2011

Posts: 124

From: NJ

slp is a straight pipe...

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