As a Lot NEW REPLACEMENT LOT COMES WITH CUSTOM RAIN CAP SA200 EXHAUST/INTAKE MANIFOLD WITH GASKET, CUSTOM HEAVY DUTY, UNDER THE HOOD! MUFFLER / EXHAUST / GLASSPACK, (MAKES IT MORE QUIET THAN STRAIGHT TUBE). FITS LINCOLN WELDER SA-200 OR SA-250 GAS F-163 & F-162 CONTINENTAL FLATHEAD MOTORS, REDFACE, BLACKFACE, SHORTHOODS. OVERALL LENGTH IS 18.5" - 20", PIPE STICKS UP THROUGH HOOD TO LET RAIN CAP WORK. THESE ARE NON OEM REPLACEMENT PARTS.