Quote:
Originally Posted by jazz
erik, what kind of numbers do you think i should be looking for with....
stillen g2 intake
stillen headers
stillen cats
HKS cat back exhaust
with the UPrev
i have the 2011 roadster, auto in sport pack.
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Add 20-30 to what I made WHP and Torque.
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14 Q50 AWD, ARK, ECUTEK (SEB), Takda,