b18a swap in my 90 si ///i used some header flowtech pipes to make a cat and eliminate my si cat. what kind of car do i get a highflow cat for to eliminate the pipe i put in there. just one for a civic ?
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.