Flowmaster's manifold downpipe kits are designed for the person who wants to use a Header-back exhaust system while using the factory exhaust manifolds. Utilizing mandrel bent 409S stainless steel tubing and high quality flange gaskets, Flowmaster's manifold downpipe kits are designed for the perfect leak free fit.
Fits 1964-1974 Chevrolet Chevelle & 1967-1974 Chevrolet Camaro with a SBC engine using the factory stock Chevrolet 3-bolt manifolds. Will Not work with heat riser. Does not fit: "Ram Horn" style manifolds, 1962-1967 Nova, or X-frame Impalas.