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GMC Sierra 3500 HD Headers & Manifolds

At JC Whitney, we offer the best selection of GMC Sierra 3500 HD Headers & Manifolds parts and accessories. We offer an industry leading 30-day Guarantee so that you can shop with confidence! Narrow your selection below by providing the year of your vehicle for a custom list of GMC Sierra 3500 HD Headers & Manifolds products.

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12 out of 12 products in Exhaust & Emissions
  • BBK - HEADERS

    Fits GMC Sierra 3500 HD

    Install a fully-machined BBK header for up to 23 more horsepower and increased overall torque due to the way a header optimizes air flow... more

    Priced from:

    $369.99
  • FLOWTECH PERFORMANCE HEADERS

    Fits GMC Sierra 3500 HD

    Performance Headers. Reduce back pressure. Help engine "breathe" better to increase power and gas mileage. Available in high-temperature... more

    Priced from:

    $162.79
  • GIBSON - PERFORMANCE HEADERS

    Fits GMC Sierra 3500 HD

    Get up to 20 more horses and 30 pounds of torque out of your vehicle with a Gibson Performance Header, made to boost all these things so... more

    Priced from:

    $422.68
  • HEDMAN ENGINE SWAP HEDDER

    HEDMANN ENGINE SWAP HEDDERS. Improve engine efficiency allowing an increase performance by up to 20%. Remove exhaust gasses faster and... more

    Priced from:

    $191.46
  • PATRIOT TIGHT TUCK HEADER

    TIGHT TUCK HEADER. Engineered for street rods and hot rods. Solves many problems associated with engine swaps. Manufactured from durable... more

    Priced from:

    $178.11
  • RACING POWER EXHAUST HEADER KITS

    EXHAUST HEADER KITS. Complete with gaskets and hardware. Shipped separately from factory. NOTE: SKU numbers ending in F are factory shipped... more

    Priced from:

    $222.90

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