842546

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  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 817129
    • True dual crossmember-back system with a built-in H-pipe crossover for balanced flow and tone
    • 16-gauge mandrel-bent stainless steel tubing for durability and unrestricted exhaust flow
    • Super 44 Series mufflers (P/N 842546) deliver a moderate to aggressive interior and exterior tone
    • Improves throttle response, power, and mileage — hallmark Flowmaster performance benefits
    • Includes all hangers and hardware for an easy, straightforward installation
    • CARB (California) compliant with a 2.50″ inlet and dual tail pipes
  • Flowmaster American Thunder Crossmember-Back Exhaust System
    SKU: 817139
    • Complete true dual crossmember-back kit with 2.50-inch mandrel-bent stainless steel tubing for maximum flow
    • Dual Super 44 Series mufflers deliver a moderate to aggressive interior and exterior tone
    • Built-in H-pipe/balance tube plus improved throttle response, power, and mileage
    • Angle-cut brushed stainless steel tips exit straight out under the rear bumper for a clean finish
    • Includes all hangers and hardware, is CARB compliant, and backed by a Lifetime Limited Warranty
    • Engineered for 1969 Camaro and Firebird V8 models, including Convertibles with a simple X-brace adjustment