Quote:
Originally Posted by Ztoon
I have a similar set up as you. G3, F.I. h.f.c's, Stillen cat back, and with the UpRev tune on a Mustang dyno showed a gain of 11 whp, which came to 286 whp.
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The sad part of that is a stock ls1 camaro dynos in that same range on a mustang dyno.