1967-72 GM Truck Downpipes DGU16S Pypes 2.5” Stainless Steel manifold downpipes for 1967-1972 GM 2WD pickups with small block V8 engines. These mandrel bent 409S stainless steel downpipes fit only the factory Angled GM Ram Horn style manifolds and include 3 bolt flanges. These downpipes are covered by Pypes Lifetime Limited Warranty. Down Pipe 2.5 in Diameter Stainless 2.5” 409 Stainless Steel Mandrel bent 16 gauge Designed for factory Ram Horn Manifolds SBC Applications Only Small Block Chevy GM Fullsize Truck 1967-72 Limited Lifetime Warranty MPN: DGU16S Fitment 1972 Chevrolet C10 Pickup 1972 Chevrolet C15/C1500 Pickup 1971 Chevrolet C10 Pickup 1971 Chevrolet C15/C1500 Pickup 1970 Chevrolet C10 Pickup 1970 Chevrolet C15/C1500 Pickup 1969 Chevrolet C10 Pickup 1969 Chevrolet C15/C1500 Pickup 1968 Chevrolet C10 Pickup 1968 Chevrolet C15/C1500 Pickup 1967 Chevrolet C10 Pickup 1967 Chevrolet C15/C1500 Pickup