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Old 03-01-2010, 11:29 PM   #11

Drives: SOLD - 2013 M6 ZL1
Join Date: Jul 2009
Location: Texas
Posts: 5,043
I am too a Very Satisfied Customer of X-Treme Horsepower. They installed my Kooks L/T Headers, High Flow Cats and tuned my car. I have ordered a MGW Shifter that I will have them install. Cam will be next on my list for them to install, then saving my pennies for a Blower. Here is my dyno sheet on the Final Run..
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