This mandrel-bent exhaust system is custom designed for 1959-1964 Chevrolet Impala, Biscayne and Bel Air models and is perfect for the person looking for true dual exhaust system. The exhaust system includes all the necessary tubing to the rear axle and does Not include mufflers. This gives you the freedom to choose the sound level of Flowmaster performance mufflers you desire for your vehicle. System features include all mandrel-bent 2.50-inch stainless steel tubing with hangers welded in pre-designated areas to help ease installation and includes short turnouts that exit in front of the rear wheels. Be sure to check out our optional over the axle tailpipe kit #81055 (sold separately) if you want to run the tailpipes out the back of the car. This system includes easy to follow installation instructions and is covered by our Lifetime Limited Warranty. Notes: Does Not include mufflers or header cone adapters. Requires 2.50-inch Offset Inlet/Same side Offset Outlets such as part # 942549 (Super 44 Series) or 942544 (40 Delta Flow) if using an oval case muffler, or for an old school sound a pair of stainless steel Super HP2 mufflers like part # 12518304 or # 12518409, or the Flow FX muffler # 71415.