Quote:
Originally Posted by Ace01
Did anyone do any 3rd party testing on the crushed pipe before and after? Seems ridiculous that the crushed area does not affect performance?
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As long as the length of the 'crushed section' isn't very much, it won't make much difference at all. Exhaust flow restriction mainly
doesn't come from the pipes themselves, so you'd only be adding a little increase to the small part of the total.
Roughly, 1 psi of added "backpressure" is worth about 2% power. You'd only be adding a small fraction of a psi with any OE crushed section . . .
Norm