The outlets are 1 3/4" which is all that is needed for our sixes to maintain back pressure. Even Clifford recommends 1 3/4" for duals. IIRC the single out Y pipe is 2 1/2"
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.