Originally posted by Marky:
Understand. What really matters is the test results, does high flow = less effective? I can't remember the price of a stock cat it was posted a while back and I know it was expensive. If these high flow cats don't perform well enough to pass smog whats the point? The minimal if any hp gains don't justify the price.




O i would agree 100% with that.
But like Paul just posted he gained nothing from removing it totaly so i doubt a highflow would help any. Maybe if you were running a super/turbo charger were you wanted zero back pressure. But a stock/lighty moded 2.5 nobody is gonna see any gains.


98 csvt t-red.. sho-shop intake, b&m, fidanza, spec1 clutch, Torsen, DMD,optimized Y& TB, Brullen, rear strut bar,h&r's,17" konig traffik's. "I say what I mean and I do what i say"