will it hurt to run the stock cat with a pacesetter ceramic header on an ecotec...i mean will you lose power or not get any gains from the header with not using the magnaflow hiflow cat
I AM the man from Nantucket
You're potential gains will be reduced by using the stock cat. Not a big difference, but some.
so its not gonna be anything very noticible then?
I AM the man from Nantucket
well with a car with like 140 some horses you wanna get every pony u can