Quote:
Originally Posted by Proctor750
Thanks for the clarification - how much hp/tq + spool gain is there in the full 3.5 "signature" vs only the midpipe + stock diaper?
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On a bone stock car there isn't much of a performance difference, but the Signature system is a little deeper sounding and includes valve control.
On a tuned, high output car, the stock rear muffler becomes more restrictive and that's where the performance gain of the Signature system becomes measurable over the midpipe + stock muffler.