American Racing Headers GM G-Body Headers

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Available for a variety of classic GM G-body muscle-car makes and models, American Racing Headers GM G-body headers are offered in versions to accommodate small blo

Available for a variety of classic GM G-body muscle-car makes and models, American Racing Headers GM G-body headers are offered in versions to accommodate small blocks, LS swaps, and big blocks. Each primary tube is sized to generate the greatest horsepower with the least amount of restriction. State-of-the-art, high-flow merge collectors are tuned for increased horsepower and torque. Available in wide range of primary tube sizes and a choice of collector diameters, they offer a great fit and outstanding performance.

Product features of American Racing Headers GM G-body headers include:

* Made entirely of long-lasting 304 stainless steel
* 3/8 in. thick laser-cut flanges for a warp-free seal
* Hand-ported TIG-welded inlets
* Optimized primary tube routing for superior fit and performance
* Merge collectors are complete with welded scavenger spikes
* All American Racing Headers exhaust systems are for off-road use only

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Results 1 - 16 of 16

American Racing Headers GM G-Body Headers CSBG-78178300HR

American Racing Headers GM G-Body Headers CSBG-78178300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00260

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Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today

American Racing Headers GM G-Body Headers GBLS-78134300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00333

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers GBLS-78178300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00334

Not Yet Reviewed

Estimated Ship Date: Dec 14, 2026 if ordered today

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Estimated Ship Date: Dec 14, 2026 if ordered today

American Racing Headers GM G-Body Headers 150366

Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.50 in. Outlet, GM G-Body, BBC, Pair

Part Number: AMH-150366

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Estimated Ship Date: Dec 17, 2026 if ordered today

American Racing Headers GM G-Body Headers 150362

Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, GM G-Body, BBC, Pair

Part Number: AMH-150362

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Estimated Ship Date: Dec 17, 2026 if ordered today

American Racing Headers GM G-Body Headers 150367

Header, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.50 in. Outlet, GM G-Body, BBC, Pair

Part Number: AMH-150367

Not Yet Reviewed

Estimated Ship Date: Dec 17, 2026 if ordered today

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Estimated Ship Date: Dec 17, 2026 if ordered today

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American Racing Headers GM G-Body Headers CSBG-78178312STHR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00261

Not Yet Reviewed

Estimated Ship Date: Dec 18, 2026 if ordered today

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Estimated Ship Date: Dec 18, 2026 if ordered today

American Racing Headers GM G-Body Headers GBLS-78200300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, G-Body, LS1 Swap, 1978-87, Pair

Part Number: AMH-S00335

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers CSBG-78134300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00258

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers CSBG-78158300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.625 in. Primary Tubes, 3.00 in. Outlet, Buick, Chevy, GMC, Oldsmobile, Pontiac, Pair

Part Number: AMH-S00259

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers OBBG-78178300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, G-Body, Olds Big Block, 1978-87, Pair

Part Number: AMH-S00599

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers OSBG-78134300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.750 in. Primary Tubes, 3.00. Outlet, Olds, G-Body, Small Block, 1977-87, Pair

Part Number: AMH-S00603

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers MCBB-70178300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, Big Block, Pair

Part Number: AMH-S00467

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers OBBG-78200312HR

Header, Long Tube One-Piece, 2 in. Primary, 3.50 in. Diameter Collector, 304 Stainless Steel, Natural Finish, Oldsmobile G-Body, Pair

Part Number: AMH-S00880

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Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers OSBG-78178300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 1.875 in. Primary Tubes, 3.00. Outlet, Olds, G-Body, Small Block, 1977-87, Pair

Part Number: AMH-S00604

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

American Racing Headers GM G-Body Headers MCBB-70200300HR

Headers, Stainless Steel, Natural Finish, 3/8 in. Flanges, 2.000 in. Primary Tubes, 3.00 in. Outlet, Chevrolet, Monte Carlo, BBC, Pair

Part Number: AMH-S00468

Not Yet Reviewed

Estimated Ship Date: Dec 30, 2026 if ordered today

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Estimated Ship Date: Dec 30, 2026 if ordered today

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