I did not expect to see that much of an improvement with shorties! At 4500 RPM looks like you are making about 35-40HP over stock (where the torque peaks), which is impressive. Did they do any tuning? Congrats, great results! Look great too!
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2010 1SS/RS - CGM/Gray Interior - M6 (SOLD) Kooks 1 7/8" headers, Solo Mach-X, Vararam.
2012 2LS - Black A6 (SOLD)
2016 1SS Summit White A8
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