Originally Posted by GAZ@RACE-SPEC Motorsport
got a crack in my 4x4 coswort exhaust manifold what effect would this have on running /performance of car??
also which is the better one the 2wd or 4wd manifold?
cracks are common inside the manifolds,to your 2nd Q all depends on what you want out of your car/engine ie 0-100 4x4 manifold will give you morew bottom end grunt, if more of a top speed merchant your better of with a 2 w/d as said they are better for 450+bhp applications
