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Flowmaster Crossmember-back Exhaust System

Fits 1959-1964 Impala, Biscayne, Bel Air with V8 engine.

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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 FlowFX muffler # 71415.


  • Exits Out the Sides in Front of the Rear Wheels
  • Mandrel-bent for Maximum Performance
  • Designed for Same Side Off-set Mufflers
  • 16-gauge Stainless Steel Tubing
  • Connects at Header Collectors
  • Lifetime Limited Warranty
  • Mufflers Sold Separately
  • Includes Hangers

About Flowmaster

Flowmaster® is a household name, and for good reason. They've built legendary exhaust systems and mufflers for decades, and now offer performance air intakes, catalytic converters, and headers to give your hot rod performance to match the iconic Flowmaster sound.

Brand Flowmaster
Emission Code5
Exhaust SeriesPipes Only
Exit PositionDual Side Exit
Heat ShieldNo
Material409 Stainless Steel
Product TypeExhaust System
Single DualDual
Sound LevelModerate/Mild
System TypePipe Kit
Tip QuantityNot Included
Tubing Diameter (in)2.5
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817413

This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

Fits 1959-1964 Impala, Biscayne, Bel Air with V8 engine. Mufflers Sold Separately, Use 2.50-inch Offset Inlet/Same Side Offset Outlet Oval Case Mufflers, or Center/Center Round Case Mufflers. Use tailpipe kit #81055 for rear exit.

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    *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

    Some parts are not legal for use in California or other states with similar regulations.