Check the listing for details. 64-72 GM A Body Car 2.5" Dual Exhaust Kit Flowmaster Flow FX Rear Exit No Tip. Condition: New. Listed at 269.99 USD. This kit for your OEM to higher horsepower set ups. The 2.5" pipes are aluminized to increase the life and mandrel bent which is sure to increase exhaust flow, change the exhaust note, and boost performance! The exhaust pipes exit directly out of the rear of the car under the bumper. This exhaust kit includes: 2) 2.5" O.D. mandrel bend aluminized steel tail pipes crafted in Missouri from North American material 8) 2.50" Clamps 4) Universal Hangers2) Flowmaster FlowFX 2.5” Offset In 2.5” Offset Out Mufflers GASOLINE ENGINES ONLY *Product disclaimer: THIS IS NOT A COMPLETE "DO IT YOURSELF" kit. It is recommended that this kit be installed by a professional. Cutting and trimming will be required. Fabrication and welding may be required. Any type of suspension or wheel/tire modifications may affect system clearances. We do NOT include any portion of the exhaust in front of the muffler. Additional parts or fabrication will likely be required.