Flowmaster American Thunder Crossmember-Back Exhaust System - 817409Fits 1968 1972 GM A Bodies with V8 engine. 2. 50 inch Stainless Steel Pipes. Aggressive sound Part Number: 817409 This American Thunder exhaust system comes as a complete true dual Crossmember Back exhaust for your 1968 1972 GM A body with a V8 engine. These dual exhaust systems feature 2. 50 inch 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
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This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1968-1972 GM A-body with a V8 engine. These dual exhaust systems feature 2.50-inch 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 an aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch 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 and Benefits
• 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 • Aggressive Exterior Exhaust Tone • Crossmember-Back True Dual Exhaust System • Does Not Include Header Reducers or Downpipes for Factory Manifolds • Lifetime Limited Warranty
Fits 1968-1972 GM A-Bodies with V8 engine.
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Flowmaster American Thunder Crossmember-Back Exhaust System - 817409