Quote:
Originally Posted by BRZoomTX
Your current MAF scaling will be causing more of an effect on your drivability than your 2.5" overpipe. You can run a stock catback on a turbo and not suffer from such issues.
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I want to attest that I ran 17 psi and made 330whp with perfect drivability on stock catback and a 2.5" over pipe/frontpipe from 3" downpipe off of the turbo.
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BRZoomTX is spot on