Flowmaster

Flowmaster 817585 American Thunder Header-back Exhaust System

Compatible with 1967-1974 Mopar A-Body cars with V8 engine. (See applications below)

Part # 817585 Be the first to write a review
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$968.95
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$1,077.00
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3

Emissions

This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles.

See Emissions Details
For the person who is looking for a complete Header-back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 in. systems generally deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modification. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.

Features:

  • Premium Quality
  • Improved Horsepower, Torque and Engine Efficiency
  • Delta Flow Technology
  • Super 40 Sound Level
Brand Flowmaster
Emission Code3
Product TypeHeader-Back Exhaust Systems
UPC700042027484
Manufacturer Part Number817585
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817585
3

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
Fits 1967-1974 Mopar A-Body, such as Dodge Dart, Demon, Plymouth Barracuda, Duster, Valiant with V8 engine. Including convertibles.
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    Some parts are not legal for use in California or other states with similar regulations.