jaluhn83
Full Access Member
I'm running a 4" outlet cone filter, then I think 3 1/2" (might be 3") to the turbo. This is one place where bigger is better, up to about 4" I'd say.
Incidentally, a small coffee can makes a nifty 4" straight pipe fitting when you need one.
Incidentally, a small coffee can makes a nifty 4" straight pipe fitting when you need one.