Product Summary

Header-Back Exhaust System Type, Dual Single or Dual

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    Key Specs

    MFG. Part #817654
    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 817654 Details

    Flowmaster's American Thunder crossmember-back exhaust system for the 1967 - 1972 GM C10/C15 1/2 ton 2WD (Coil Spring) pickup truck is perfect for the person looking for moderate to aggressive sound levels with all of the performance benefits that you would expect from Flowmaster. This crossmember-back DOR/DOS (Dual Out Rear, Dual Out Side) system features dual Super 44 Series mufflers, 2.50 in. mandrel bent 409S stainless steel tubing and all the hardware necessary for a great fitting installation. (Stainless tips sold separately). This system is routed in a fashion that accommodates both long and short wheelbases with automatic or manual transmissions, and provides adequate clearance for substantially lowered vehicles. The exhaust system is manufactured in the USA and is covered by Flowmaster's Lifetime Limited Warranty.

    • Stainless Steel Construction
    • Multiple Tailpipe Exit Options
    • Patented Delta Flow Technology
    • Lifetime Limited Warranty

    Application

    1967-1968 GMC C15/C1500 Pickup 327 CID/5.3L V8
    1967-1969 Chevrolet C10 Pickup 327 CID/5.3L V8
    1968-1972 Chevrolet C10 Pickup 307 CID/5.0L V8
    1969-1972 Chevrolet C10 Pickup 350 CID/5.7L V8
    1968-1972 GMC C15/C1500 Pickup 307 CID/5.0L V8
    1969-1972 GMC C15/C1500 Pickup 350 CID/5.7L V8
    1967 Chevrolet C10 Pickup 4.6L V8
    1967 GMC C15/C1500 Pickup 305 CID/5.0L V6

    Charts

    Flowmaster 817654 Specifications

    KEY SPECS
    MFG. Part #817654
    BrandFlowmaster
    Exhaust System TypeHeader-Back
    Single or DualDual
    Exhaust Tubing Diameter2-1/2 Inch
    Exhaust System Kit TypeDirect Fit
    GENERAL
    Exhaust ExitDual Split Rear/Split Side
    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 ColorBlack
    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 Code700042029877
    NotesFor use with vehicles with coil spring rear suspension only.
    Material TypeStainless Steel
    Exit LocationRear

    Questions & Answers

    Fitment

    • Gen 1 L14 Small Block Chevy

    • 402 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

    • 402 Chevy Big Block V8

    • 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

    • 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

    • 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

    • 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

    • 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

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 402 Chevy Big Block V8

    • 402 Chevy Big Block V8

    • 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

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L14 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 402 Chevy Big Block V8

    • Gen 1 L14 Small Block Chevy

    • Gen 1 L14 Small Block Chevy

    • 402 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

    • 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

    • 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

    • 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

    Customer Impersonation Script