Mac Auto Parts 68256 Muffler Exhaust System w/ Gasket Chevy Monte Carlo 3.4L Impala 3.4L 3.8L Direct It will 4L 3.8LChevrolet Monte Carlo 3.4Lin order to be able to provide free hipping and keep our cot down to provide our cutomer with great ervice and the bet price the extenion pipe come in two piece. Cat Back ytem Include:1x M3318 Front Muffler1x 55270 5B271 1t ection Extenion Pipe1x 55270 5B272 2nd ection Extenion Pipe 1x 1 Rear Muffler2x MC2HD clamp1x 332 Gaket1x 55252 Connector