Flowmaster

Flowmaster 817409 American Thunder Exhaust System

Compatible with 1968-1972 GM A-Bodies with V8 engine. 2.50 in. Stainless Steel Pipes.

Part # 817409 Be the first to write a review
Estimated Ship Date: 10/17/2022
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$699.26
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5

Emissions

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.

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This American Thunder® exhaust system comes as a complete true dual headers-back exhaust for your 1968-1972 GM A-body with a V8 engine. These dual exhaust systems feature 2.50 in. mandrel-bent stainless steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of large case Super 40® mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50 in. tailpipes exit at a slight angle down under the rear bumper for a strong muscular look. The system includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage and is covered by our Lifetime Limited Warranty.

Features:

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Super 40 Series Mufflers for Deep Powerful Sound
  • Mandrel-bent 16-gauge Stainless Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Moderate to Aggressive Exterior Exhaust Tone
  • Header-back True Dual Exhaust System
  • Does Not Include Header Reducers
  • Lifetime Limited Warranty
Brand Flowmaster
Emission Code5
Product TypeHeader-Back Exhaust Systems
UPC700042024056
Manufacturer Part Number817409
California Proposition 65 Chemical NameChromium (hexavalent compounds)
Nickel (Metallic)
California Proposition 65 RequiredYes
Part Number817409
5

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 1968-1972 GM A-Bodies with V8 engine.
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    Some parts are not legal for use in California or other states with similar regulations.