LarryJ
Enthusiast
I'm changing my exhaust to a mopar borla cat-back and i was wondering if there is anything else i should do while i have my side sills off as i have a silver roadster with the beginnings of yellowing. i was thinking of going to high flow cats. is this a solution and if so are there any recommendations on which cats to go with(i haven't got my cat backs here but i think they are 3", someone else might know off hand). Also, should i coat the inside of the sills with something while i have them off. Any suggestion would be greatly appreciated.