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      01-29-2011, 08:43 AM   #51
BarryC
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Drives: '13 LRP M3
Join Date: May 2007
Location: Kernersville NC

Posts: 1,160
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Quote:
Originally Posted by per View Post
I gained app 40 whp going from stock midpipes to catless midpipe on my VT-625 kit, so you will probably increase your hp with your hfc´s x-pipe also
That's pretty damn impressive!

BC
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