Product Summary

Header-Back Exhaust System Type, Dual Single or Dual

    Key Specs

    MFG. Part #817281
    Exhaust System TypeHeader-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch

    Need To Know

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    Flowmaster 817281 Details

    For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. These systems are mandrel bent for maximum performance and include specially selected mufflers. 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 stainless steel tubing
    • Aggressive Sound Exterior Exhaust Tone
    • Includes hangers and hardware for easy installation
    • Header-back System


    1967-1968 Ford Mustang 4.7L V8
    1967-1969 Ford Mustang 390 CID/6.4L V8
    1968-1970 Ford Mustang 302 CID/5.0L V8
    1969-1970 Ford Mustang 351 CID/5.8L V8
    1967-1970 Ford Mustang 428 CID/7.0L V8


    Flowmaster 817281 Specifications

    MFG. Part #817281
    Exhaust System TypeHeader-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust ExitDual Split Rear
    Sound LevelAggressive
    Muffler(s) IncludedYes
    Muffler Quantity2
    Muffler ConnectionsSingle Inlet | Single Outlet
    Exhaust Tip IncludedYes
    Exhaust Tip Quantity2
    Exhaust Tip ShapeRound
    Exhaust Tip CutAngle
    Exhaust Tip Edge StyleRolled Edge
    Exhaust Tip Size3.00"
    Exhaust System Material409S Stainless Steel
    Exhaust System FinishNatural
    Exhaust Pipe ColorNatural
    Muffler SeriesSuper 44 Series
    Muffler Material409 Stainless Steel
    Muffler ColorBlack
    Exhaust Tip Material304 Stainless Steel
    Exhaust Tip FinishPolished
    Exhaust Tip ColorNatural
    Inlet QuantitySingle
    Inlet Size2.50"
    Outlet Size2.50"
    Tailpipe Diameter2.5"
    Catalytic Converter(s) IncludedNo
    Hardware IncludedYes
    Heat ShieldNo
    Sold in QuantityKit
    GTIN Code700042024643
    Notes="Kit includes Super 44 mufflers and H-pipe assembly, fits models with rear valance cutout only. Will not fit convertibles or models with staggered shocks. Due to variations in different manufacturers headers, modifications to the length and or angles of
    Exit LocationRear