I am very intrested in putting in an HKS exhaust and was wondering what should i put up front with them to make the best gains, like H pipes, Y pipes, HFC what ??????? o and make it so i dont void warrenty

 

It comes with an H-Pipe. A Y-Pipe will not work as this is a true dual exhaust.

Headers + HFC or test pipes...+tune (but I'd do the tune last. that is, after you're done modding so as to not waste your time/money with having to re-tune).

 

fawk warranty....you wanna be an out law but your worried about your warranty op i would go with fast intentions resonated test pipes, dc headers, plenum spacer, m-rev2 and a reflash... to compliment your hks

 

yeah i mean im 19 i can afford to pay for modding the my g but i dont make money enough money to pay for **** to go wrong.

but i was wondering what about crawford cats??