AlaskaJeff
Well-Known Member
Would these do as good as a HP OEM set of manifolds? How much HP gain or loss over headers do you think they would be? My 360 is a mild build, nothing radical. I'm wanting to put a whole new exhaust system (within a budget) in the car and just exploring options.
1968-74 Dodge Plymouth 340 360 318 Exhaust Manifold Pair Clean Dart Duster Demon | eBay
1968-74 Dodge Plymouth 340 360 318 Exhaust Manifold Pair Clean Dart Duster Demon | eBay