1398ALS1 LS Swap Forward-Exit 1 3/4 in. Headers for 1982-1993 Chevy S-10, GMC S-15 [3 1/2 x 8 in. Collector]
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SCHOENFELDPART NUMBER: 649-1398ALS1

1398ALS1 LS Swap Forward-Exit 1 3/4 in. Headers for 1982-1993 Chevy S-10, GMC S-15 [3 1/2 x 8 in. Collector]

$52499
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LS Engine Swap Header - GM Truck
Forward-Exit LS Engine Swap Headers
  • 1982-1993 Chevy S-10, GMC S-15
  • GM Gen III/IV LS Engines
  • 1 3/4 in. Primaries
  • 3 1/2 in. x 8 in. Collectors
  • 5/16 in. Flanges
  • Heavy-Duty Steel
  • Natural Finish

    Schoenfeld Forward-Exit Headers deliver proven performance and precision fitment for 1982–1993 Chevrolet S-10 and GMC S-15 trucks equipped with LS engine swaps. Engineered for builders seeking reliable power and clearance in compact chassis applications, these headers feature durable steel construction and optimized tube geometry for efficient exhaust flow. The forward-exit layout simplifies routing while enhancing scavenging and overall engine response. Built with the same race-tested quality that defines Schoenfeld’s reputation, these headers provide a high-performance solution for street or track LS conversions.

    Schoenfeld Forward-Exit Headers Features:

    • 5/16 in. thick LS1-style flange for superior sealing and long-term durability
    • Forward-exit configuration improves exhaust flow and simplifies routing
    • Heavy-duty steel construction withstands high temperatures and stress
    • Optimized primary and collector design for improved horsepower and torque
    • Clears most factory components for a clean, professional installation

    Schoenfeld Forward-Exit Headers Notes:

    • Fitment may vary depending on chassis setup and accessory placement

    Emissions Note:

    This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

    CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

    • Budget-Friendly LS Swap Headers

      Schoenfeld LS Engine Swap Headers deliver bolt-on power at a budget-friendly cost. Each header has a high-quality black painted finish, and each set includes gaskets and bolts. LS Engine Swap Headers are available for GM F-Bodies, G-Bodies, and GM Trucks.

    Part TypeHeader
    Product LineSchoenfeld LS Engine Swap Headers
    BrandSCHOENFELD
    Package Height12.0
    Package Width20.0
    Package Length33.0
    Weight39.0 PG
    Part CategoryPerformance Parts
    Header MaterialMild Steel
    Gaskets IncludedNo
    Header Flange Thickness5/16 in.
    Header FinishBlack Painted
    Collector3 1/2 in. x 8 in.
    Part FitmentSemi Universal
    Header StyleForward Exit
    Primary Tube Diameter1.75 in
    Vendor Part Number1398ALS1
    Package Qty1
    Package TypeEA

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