Flowmaster 81073 Manifold Downpipes - 2.00in. Inlet 2.50in. outlet - 409S

Compatible with 1965-1968 Pontiac GTO, Tempest, Lemans.;

These Flowmaster manifold downpipes are specifically designed for all 1965-1968 Pontiac A-Body vehicles with either a 389 or 400 c.i. Pontiac engine and are manufactured from 2.50 in. mandrel-bent 409S stainless steel tubing with high quality flanges. These Only fit with manifold castings 9779032-D/S and 9779328-P/S and include the factory 2-bolt flanges. Covered by our Lifetime Limited Warranty.;