Originally Posted by
pduane
Could a twin scroll ERF be made to work with the Yb 2Wd twinscroll exhaust manifold?
I think the B1 frame efr should fit the standard manifold. You only have to change the flange to a t4.
7163 will make 500bhp and spool will be better then t34.
I will be using a 6758 twin scroll but have a tubular manifold.