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      09-24-2011, 12:04 PM   #1
HP Autosport
 
Drives: E82 1M
Join Date: Mar 2007
Location: Santa Barbara, AST, Brembo, Eibach, H&R, GIAC, Koni, Quaife, Stoptech, Vorshlag,

Posts: 10,829
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TEASER: HP Autowerks 1M with Berk Technology Race Exhaust

This exhaust sounds good.

It is a race exhaust so some droning at cruising rpms. The system consists of a replacement resonated midpipe and newly developed axle back race muffler. There is a noticeable gain in power. The midpipe added the most power and the race muffler supplemented.

Enjoy!


-Tyler
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