GMC Headers & Manifolds

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20 out of 36 products in Exhaust & Emissions

  • REPLACEMENT OE STYLE EXHAUST MANIFOLD

    Fits GMC

    Replacement OE Style Exhaust Manifold is your inexpensive replacement option for your rebuild and maintenance needs. An OE comparable product... more

    Priced from:

    $29.29SET
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C35
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC Caballero
    • GMC G15
    • GMC G15/G1500 Van
    • GMC G1500
    • GMC G25
    • GMC G25/G2500 Van
    • GMC G2500
    • GMC G35
    • GMC G35/G3500 Van
    • GMC G3500
    • GMC Jimmy
    • GMC K15
    • GMC K15 Suburban
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K35
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC P25
    • GMC P25/P2500 Van
    • GMC P2500
    • GMC P35
    • GMC P35/P3500 Van
    • GMC P3500
    • GMC R1500 Suburban
    • GMC R2500 Suburban
    • GMC S15
    • GMC S15 Jimmy
    • GMC Safari
    • GMC Savana 1500
    • GMC Savana 2500
    • GMC Savana 3500
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD
    • GMC Sierra C3
    • GMC Sierra Denali
    • GMC Sonoma
    • GMC Sprint
    • GMC Suburban
    • GMC V1500 Suburban
    • GMC V2500 Suburban
    • GMC Yukon
    • GMC Yukon Denali
    • GMC Yukon Denali XL
    • GMC Yukon XL 1500
    • GMC Yukon XL 2500

  • FLOWTECH PERFORMANCE HEADERS

    Fits GMC
    9 Reviews

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

    Priced from:

    $127.93Set of 2
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C35
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC Jimmy
    • GMC K15
    • GMC K15 Suburban
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K35
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC R1500
    • GMC R1500 Suburban
    • GMC R2500
    • GMC R2500 Suburban
    • GMC R3500
    • GMC S15
    • GMC S15 Jimmy
    • GMC Savana 2500
    • GMC Savana 3500
    • GMC Sierra 2500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD
    • GMC Sonoma
    • GMC Suburban
    • GMC V1500
    • GMC V1500 Suburban
    • GMC V2500
    • GMC V2500 Suburban
    • GMC V3500
    • GMC Yukon
    • GMC Yukon Denali

  • DORMAN OE REPLACEMENT EXHAUST MANIFOLD

    Fits GMC

    Dorman's Exhaust Manifold is engineered to perform better than the original OE design. This product stands out above the rest of the competition... more

    Priced from:

    $60.93SET
    Fits the following GMC Models
    • GMC Envoy
    • GMC Savana 2500
    • GMC Savana 3500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD

  • PACESETTER PERFORMANCE HEADER KITS FOR 4,6, & 8 CYLINDER VEHICLES

    Fits GMC
    6 Reviews

    PERFORMANCE HEADER KIT. Header lets 4, 6 and 8-cylinder cars, trucks, vans and SUVs "breathe" better and operate more efficiently. Get... more

    Priced from:

    $260.84SET
    Fits the following GMC Models
    • GMC 1000 Series
    • GMC 1500 Series
    • GMC 2500 Series
    • GMC C1000 Pickup
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC G15
    • GMC G15/G1500 Van
    • GMC G1500
    • GMC G25
    • GMC G25/G2500 Van
    • GMC G2500
    • GMC I1000
    • GMC I1500
    • GMC I2500
    • GMC Jimmy
    • GMC K1000
    • GMC K15
    • GMC K15 Suburban
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Pickup
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC P15
    • GMC P15/P1500 Van
    • GMC P1500
    • GMC P25
    • GMC P25/P2500 Van
    • GMC P2500
    • GMC P35
    • GMC PB15 Series
    • GMC PB1500 Series
    • GMC PB25 Series
    • GMC PB2500 Series
    • GMC R2500
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500
    • GMC Sierra Denali
    • GMC Sprint
    • GMC Suburban
    • GMC V2500
    • GMC Yukon
    • GMC Yukon Denali

  • PACESETTER PERFORMANCE HEADERS

    Fits GMC
    2 Reviews

    PERFORMANCE HEADERS FOR JEEP. Corrosion-resistant header kit improves performance and fuel economy and provides the acceleration you need... more

    Priced from:

    $249.55SET
    Fits the following GMC Models
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra Denali
    • GMC Yukon XL 1500
    • GMC Yukon XL 2500

  • HEDMAN PERFORMANCE STEEL HEADERS

    Fits GMC
    1 Review

    CUSTOM-FIT PERFORMANCE HEADERS. Easiest way to improve your car's performance! Replaces power-robbing exhaust manifold to help engine run... more

    Priced from:

    $177.39SET
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C35
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC Jimmy
    • GMC K15
    • GMC K15 Suburban
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC R1500
    • GMC R1500 Suburban
    • GMC R2500
    • GMC R2500 Suburban
    • GMC R3500
    • GMC S15
    • GMC S15 Jimmy
    • GMC Sonoma
    • GMC Suburban
    • GMC V1500
    • GMC V1500 Suburban
    • GMC V2500
    • GMC V2500 Suburban
    • GMC V3500
    • GMC Yukon
    • GMC Yukon Denali

  • PACESETTER BLACK-PAINTED SHORTY HEADERS

    Fits GMC
    3 Reviews

    BLACK PAINTED SHORTY HEADERS. Economical way to replace exhaust manifold and retain all emission fittings! More power and faster acceleration... more

    Priced from:

    $194.66Set of 2
    Fits the following GMC Models
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C3500
    • GMC Jimmy
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC Sierra 1500
    • GMC Sierra 2500
    • GMC Sierra C3
    • GMC Sierra Denali
    • GMC Yukon

  • HEDMAN STANDARD DUTY HEADER

    Fits GMC

    Hedman Headers. Exudes maximum protection with the help of its high grade construction. Provide only the best part for your vehicle with... more

    Priced from:

    $192.69SET
    Fits the following GMC Models
    • GMC C15
    • GMC C15/C1500 Pickup
    • GMC C1500
    • GMC C25
    • GMC C25/C2500 Pickup
    • GMC C2500
    • GMC C35
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC Jimmy
    • GMC K15
    • GMC K15/K1500 Pickup
    • GMC K1500
    • GMC K25
    • GMC K25/K2500 Pickup
    • GMC K2500
    • GMC K35
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC R2500
    • GMC R3500
    • GMC S15
    • GMC S15 Jimmy
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra C3
    • GMC Sierra Denali
    • GMC Sonoma
    • GMC V3500
    • GMC Yukon
    • GMC Yukon Denali
    • GMC Yukon Denali XL
    • GMC Yukon XL 1500
    • GMC Yukon XL 2500

  • JBA CAT4WARD 49-STATE LEGAL (NO CA) HEADERS

    Fits GMC

    JBA Cat4ward 49-State Legal (No CA) Headers. Large mandrel-bent tubing. 0.38 in. flanges. Patented Firecone collectors for boost in horsepower... more

    Priced from:

    $338.97Set of 2
    Fits the following GMC Models
    • GMC C1500
    • GMC C2500
    • GMC C3500
    • GMC Jimmy
    • GMC K1500
    • GMC K2500
    • GMC K3500
    • GMC Sierra 1500
    • GMC Sierra 2500
    • GMC Sierra 3500
    • GMC Sonoma
    • GMC Yukon
    • GMC Yukon Denali

  • JBA CAT4WARD HEADERS

    Fits GMC

    JBA shorty headers are one of the best performance upgrades available for any application. more

    Priced from:

    $328.84SET
    Fits the following GMC Models
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC C5000
    • GMC C6000
    • GMC Jimmy
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra Denali
    • GMC Sonoma
    • GMC Suburban
    • GMC Yukon

  • GIBSON PERFORMANCE EXHAUST PERFORMANCE HEADER SET

    Fits GMC
    1 Review

    CERAMIC-COATED PERFORMANCE HEADER SET. Corrosion resistant-ceramic-coated heavy-duty 409L 16-gauge stainless steel (polished coating withstands... more

    Priced from:

    $439.99SET
    Fits the following GMC Models
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C3500
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K3500
    • GMC R2500
    • GMC R3500
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD
    • GMC Sonoma
    • GMC V3500
    • GMC Yukon
    • GMC Yukon Denali
    • GMC Yukon Denali XL
    • GMC Yukon XL 1500
    • GMC Yukon XL 2500

  • HOOKER HEADERS HOOKER COMPETITION 4-1 HEADERS FOR OFF ROAD/TRACK USE

    Fits GMC

    HOOKER HIGH-PERFORMANCE COMPETITION 4-1 HEADERS. A must for engines with a restrictive exhaust manifold that can limit operating efficiency... more

    Priced from:

    $160.39SET
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C35
    • GMC C35/C3500 Pickup
    • GMC C3500
    • GMC Caballero
    • GMC Jimmy
    • GMC K15
    • GMC K15/K1500 Pickup
    • GMC K1500
    • GMC K25
    • GMC K25/K2500 Pickup
    • GMC K2500
    • GMC K35
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC R1500
    • GMC R1500 Suburban
    • GMC R2500
    • GMC R2500 Suburban
    • GMC R3500
    • GMC Sprint
    • GMC V1500
    • GMC V2500
    • GMC V3500
    • GMC Yukon

  • HEDMAN ELITE HEDDERS

    Fits GMC

    ELITE HEDMANN HEDDERS. Best choice for tough off-roading conditions. Made of extra-heavy-duty 14-gauge tubing and bulletproof 3/8" flanges... more

    Priced from:

    $360.69Set of 2
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C15/C1500 Pickup
    • GMC C15/C1500 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C25/C2500 Pickup
    • GMC C25/C2500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC Jimmy
    • GMC K15
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC R1500
    • GMC R1500 Suburban
    • GMC R2500
    • GMC R2500 Suburban
    • GMC Suburban
    • GMC V1500 Suburban
    • GMC V2500 Suburban

  • DORMAN EXHAUST MANIFOLD

    Fits GMC

    Dorman's Exhaust Manifold is engineered to perform better than the original OE design. This product stands out above the rest of the competition... more

    Priced from:

    $72.43Kit
    Fits the following GMC Models
    • GMC C15
    • GMC C15 Suburban
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C25
    • GMC C25 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC C35
    • GMC C3500
    • GMC Caballero
    • GMC Envoy
    • GMC G15
    • GMC G1500
    • GMC G25
    • GMC G2500
    • GMC G35
    • GMC G3500
    • GMC Jimmy
    • GMC K15
    • GMC K15 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K35
    • GMC K3500
    • GMC P25
    • GMC P2500
    • GMC P35
    • GMC P3500
    • GMC R2500
    • GMC R2500 Suburban
    • GMC R3500
    • GMC Savana 1500
    • GMC Savana 2500
    • GMC Savana 3500
    • GMC Sierra 1500
    • GMC Sierra 1500 HD
    • GMC Sierra 2500
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD
    • GMC Sierra C3
    • GMC Sierra Denali
    • GMC Sonoma
    • GMC Sprint
    • GMC V3500
    • GMC Yukon
    • GMC Yukon Denali
    • GMC Yukon Denali XL
    • GMC Yukon XL 1500
    • GMC Yukon XL 2500

  • FLOWTECH AFTERBURNER TURBO CHAMBER HEADERS FOR GM TRUCKS

    Fits GMC
    1 Review

    AFTERBURNER TURBO CHAMBER HEADERS. At low RPM, Afterburner helps engine produce monstrous power. At high RPM, Afterburner delivers the... more

    Priced from:

    $212.68Set of 2
    Fits the following GMC Models
    • GMC Jimmy
    • GMC K15
    • GMC K15 Suburban
    • GMC K15/K1500 Pickup
    • GMC K15/K1500 Suburban
    • GMC K1500
    • GMC K1500 Suburban
    • GMC K25
    • GMC K25 Suburban
    • GMC K25/K2500 Pickup
    • GMC K25/K2500 Suburban
    • GMC K2500
    • GMC K2500 Suburban
    • GMC K35
    • GMC K35/K3500 Pickup
    • GMC K3500
    • GMC V1500
    • GMC V1500 Suburban
    • GMC V2500
    • GMC V2500 Suburban
    • GMC V3500

  • PACESETTER ARMOR*COAT CERAMIC-METALLIC COATED SHORTY HEADERS

    Fits GMC

    ARMOR*COAT CERAMIC-METALLIC COATED SHORTY HEADERS. Replaces exhaust manifold perfectly and retains all emission fittings with no modifications... more

    Priced from:

    $379.99Set of 2
    Fits the following GMC Models
    • GMC C1500
    • GMC C1500 Suburban
    • GMC C2500
    • GMC C2500 Suburban
    • GMC K1500
    • GMC K2500
    • GMC Sierra 1500
    • GMC Sierra 2500
    • GMC Yukon

  • BD DIESEL DRIVER'S SIDE FULL-BORE EXHAUST MANIFOLD

    Fits GMC

    DRIVER'S SIDE FULL-BORE EXHAUST MANIFOLD. Balance engine power for maximum efficiency. Improves fuel economy! Reduces cylinder load, exhaust... more

    Priced from:

    $384.99Sold individually
    Fits the following GMC Models
    • GMC Sierra 2500 HD
    • GMC Sierra 3500
    • GMC Sierra 3500 HD

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