1965-1974 Chevrolet BBC Exhaust Flowmaster Stainless Steel performance-mufflers and spun-locked heads for resistance

and spun-locked heads for resistance to rupture from backfires

and strong materials for units built to last and impress

Outlet Outside Diameter: 4

1968-1972 Pontiac LeMans 350 CID

straight edge angle cut

1965-1974 Chevrolet BBC Exhaust Flowmaster Stainless Steel performance-mufflers and spun-locked heads for resistanceOverview: This Flowmaster manifold downpipe kit is specifically for 1965 1974 Chevelle El Camino, 1967 1972 Camaro, 1968 1969 Nova, 1968 1970 Caprice Impala Bel Air and 1970 1974 Monte Carlo all with BBC engines. They are designed for the person who wants to use a Headers back exhaust system while retaining the factory exhaust manifolds instead of headers. Manufactured from 2. 50 inch mandrel bent 409S stainless steel tubing and high quality flanges