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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,289
Maybe profighters muffler has some backpressure. I didn't have any boost creep until I modified the insides of my B&B single out driver side muffler so it's as free flow as it can be... and that was alot of work!
Old 05-24-2013, 01:53 PM
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