how much hp and torque would go up from header/catback/cai/ andpulley?
with 2003 tl type S?

 

Everything you need to know:
https://acurazine.com/forums/showthread.php?t=107355

 

you should definitely do a search here buddy. not that we don't want to give you a hand, but do a search before you ask something. chances are it's been beaten to death over and over again. if you do a search and can't find the answers, then post a new thread.

 

well, if he hadnt post this, i woulda never been redirected to the other thread