Mac Auto Parts 41000 Monte Carlo 3.4L Pontiac Grand Prix 3.8L Single Muffler Exhaust System This is a AP BRAND NEW stock replacement OE Style cat back exhaust system . All of our Exhausts and Catalytic Convertors have a 5 YEAR Factory Warranty For as long as you own the vehicle. Fits Chevrolet Monte Carlo 3.4L V6 , Single exhaust system Pontiac Grand Prix 3.8L with Single Exhaust Converter Back System Includes 1x 56 Gasket 1x 72 Front Resonator 1x 584541 Axle Pipe 1x 584542 Axle Pipe 1x 7333 Rear muffler 2x Mc2hd clamp 1x 55252 connector