Outside Diameter (in): 3.000 in. Tubing Material: Steel Tubing Finish: Aluminized Catalytic Converter Included: No Gaskets Included: No Hardware Included: Yes Mandrel-Bent: Yes Quantity: Sold as a kit. Intermediate Pipes, Steel, Aluminized, 3 in. Outside Diameter, Buick/Chevy/Oldsmobile/Pontiac, Pair |