Quote:
Originally Posted by SAM@GTM
Test Fitting factory cats to production O2 sensors housing and devolving a direct fitment high flow cat that can take up to 800HP . with our 3'' down pipes.
|
So it sounds like these high flow cats can only be used with a 3" exhaust. Is that correct? Or is there a way to incorporate them with an aftermarket 2.5" exhaust?