im going to use my hotshot gen 4 an jus port it out, im not sure on how big the secondaries are i will have to measure those, i will get the ssac one later.. the thing that sux the most is i got the header an a high flow cat on there but after the cat its only got a 2" pipe that runs to where the resonator would be where it starts to turn then its stock + stock muffler.. that craps gotta go but im going to have to make it work for a little while then im gonna get this 91-94 Sentra Mandrel Bent Exhaust