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Flowmaster Header-back Exhaust System

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

PART# 817413

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$479.00   Suggested Retail
$430.95   Your Price
Estimated shipping date: 11/20/2020
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Moderate to mild sound


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# 842549 (Super 44 Series) 842554 (50 Series Delta Flow) or a pair of stainless steel Super HP2 mufflers for an old school sound.


  • 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


Emission Code3
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 and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles:

  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle

The following vehicles are considered Racing Use Only Vehicles:

  • Racing Use Only Vehicles are vehicles that are used exclusively for competition and that are not registered and that may never be used on the street

WARNING: It is against the law to install this part on an Emissions Controlled Vehicle

The following vehicles are considered Emissions Controlled Vehicles:

  • 1966 and newer U.S. manufactured California Certified vehicles
  • 1968 and newer U.S. manufactured Federally Certified vehicles
  • 1968 and newer Foreign manufactured vehicle

Tech Resources

Fits 1959-1964 Impala, Biscayne, Bel Air with V8 engine. Mufflers Sold Separately, Use 2.50-inch Offset Inlet/Same Side Offset Outlet mufflers.


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