N Nips New member Jul 7, 2009 #1 I want a new exhaust for my car, If I run a normal Catalytic converter will it still pass emissions test? and If so what if I run a high flow cat, will it pass then as well?
I want a new exhaust for my car, If I run a normal Catalytic converter will it still pass emissions test? and If so what if I run a high flow cat, will it pass then as well?
