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Product Summary

Header-Back Exhaust System Type, Dual Single or Dual

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    Key Specs

    MFG. Part #817158
    Exhaust System TypeHeader-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
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    Need To Know

    Quick and Easy Returns

    Return Policy

    Flowmaster 817158 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

    Application

    1969-1970 Chevrolet Nova 396 CID/6.5L V8
    1970-1971 Chevrolet Nova 454 CID/7.4L V8
    1970-1972 Chevrolet Nova 402 CID/6.6L V8
    1969-1973 Chevrolet Nova 307 CID/5.0L V8
    1971-1973 Pontiac Ventura 307 CID/5.0L V8
    1973-1974 Buick Apollo 350 CID/5.7L V8
    1969-1974 Chevrolet Nova 350 CID/5.7L V8
    1973-1974 Oldsmobile Omega 350 CID/5.7L V8
    1971-1974 Pontiac Ventura 350 CID/5.7L V8
    1968 Chevrolet Chevy II 307 CID/5.0L V8
    1968 Chevrolet Chevy II 327 CID/5.3L V8
    1968 Chevrolet Chevy II 350 CID/5.7L V8
    1968 Chevrolet Chevy II 396 CID/6.5L V8

    Charts

    Flowmaster 817158 Specifications

    KEY SPECS
    MFG. Part #817158
    BrandFlowmaster
    Exhaust System TypeHeader-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
    GENERAL
    Exhaust ExitDual Split Rear
    Sound LevelModerate/Aggressive
    Muffler(s) IncludedYes
    Muffler Quantity2
    Muffler ConnectionsSingle Inlet | Single Outlet
    Drivetrain2WD
    Exhaust Tip IncludedNo
    Exhaust Tip Quantity0
    Exhaust System Material409S Stainless Steel
    Exhaust System FinishNatural
    Exhaust Pipe ColorNatural
    Muffler SeriesSuper 44 Series
    Muffler Material409 Stainless Steel
    Muffler ColorNatural
    Exhaust Tip ColorNatural
    Inlet QuantityDual
    Inlet Size2.50"
    Outlet Size2.50"
    Tailpipe Diameter2.5"
    Catalytic Converter(s) IncludedNo
    Hardware IncludedYes
    Heat ShieldNo
    Sold in QuantityKit
    GTIN Code700042025626
    Material TypeStainless Steel
    Exit LocationRear

    Fitment

    • 396 Chevy Big Block V8

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • 396 Chevy Big Block V8

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Chevy Big Block V8 Mark IV 396 L34

    • Chevy Big Block V8 Mark IV 396 L78

    • Chevy Big Block V8 Mark IV 396 L34

    • Chevy Big Block V8 Mark IV 396 L78

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 396 Chevy Big Block V8

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    Customer Impersonation Script