Sideflow Merged Exhaust System with Muffler.

1 5/8″ tubing featuring a true 4 into 1 merged collector. Tig welded for strength and good looks. The mounting flanges are thick. System includes black Quiet Muffler w/ Stainless Steel tip. Complete with gaskets and hardware. This is a competition system and cannot be used with heater boxes.  3263 Type 1 66-73 Upright Engines Only, 1300-1600cc.