i have a 3inch catback on my syclone now, and my brother had a pte61 with a 3 inch downpipe and full 3 inch exhaust on his typhoon that was totaled, now im goin to install the pte61 , 3 inch downpipe and cat from his ty to make my whole exhaust 3 inches , my question is are the typhhon and syclone atr exhaust the same to the cat or not???
thanks
thanks