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Flowmaster Header-back System - Dual Side Exit-AmeriCan Thunder® - Aggressive Sound

Exhaust System, American Thunder, Header-Back, 2-1/2 in Tailpipe, Stainless, Natural, GM F-Body 1967-68, Kit
Limited Supply: only 3 remaining
Availability: Same Day Shipping!
Shipping: This item has an additional $37.95 shipping charge due to its large size and/or weight.
Was: $847.00
Sale: $761.95
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Header-back System - Dual Side Exit - American Thunder® - Aggressive Sound

Fits 1967 to 1968 GM F-Body with a V8 engine.

Convertible models require an aftermarket X-brace or 3/8 shims for clearance

For the person looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, Flowmaster's America Thunder system for GM F-Body cars include specially-selected Super 44 mufflers to make your Camaro or Firebird come alive. This Header-back dual exhaust system uses 2.50 in. 409S stainless steel tubing, backed by our 10-year warranty! And a durable H-pipe design that delivers improved throttle response, power and mileage. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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.


  • Mandrel bent 16 gauge 409 stainless tubing
  • Moderate to aggressive exterior exhaust tone
  • Includes hangers and hardware for easy installation
  • Header back system
  • Vehicle Applications:

  • 1967-1968 Pontiac Firebird
  • 1967-1968 Chevrolet Camaro
  • Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV?s, classic muscle cars, powersports vehicles and more. Flowmaster gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive ?laminar-flow? mufflers and a new line of FlowFX straight-through performance mufflers, along with 5 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

    PROP 65

    This product can expose you to chemicals including nickel - chromium, which is/are known to the State of California to cause birth defects or other reproductive harm


    • FLO817129
    • FLO817129
    • 700042024292
    • Flowmaster
    • Available
    • Same Day Shipping!
    • New

    Shipping Information

    • Item Requires Shipping
    • 67.8 lbs.
    • W17.0000” x H15.0000” x L52.5000”
    • $37.95
    • This item ships in its own box.
    • This item has an additional $37.95 shipping charge due to its large size and/or weight.


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