Performance and Replacement Car, Truck, and More Exhaust Parts

Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your...

Your car or truck was originally equipped with a restrictive, small-diameter exhaust system that was designed for one purpose: to be as quiet as possible. Uncork your vehicle’s exhaust flow with a performance exhaust system and you’ll restore lost horsepower and torque, and produce that iconic performance sound. We have complete cat-back exhaust systems and power-adding headers made from lightweight aluminized steel, or from rugged stainless steel, with many available polished to a show-ready shine. Or choose from exhaust parts such as the individual pipes, tubes, flanges, and turndowns you need for a custom setup, plus...

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Dorman Exhaust Manifold Mounting Hardware 03133HP

Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut Type, Stainless Steel, Natural, Buick, Cadillac, Chevy, Ford, GMC, Set of 6

Part Number: RNB-03133HP

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03133

Exhaust Manifold Studs, Nuts, Front Flange, Buick, Cadillac, Oldsmobile, Chevy, GMC, Set of 6

Part Number: RNB-03133

3.64 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-522

Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Driver Side, Each

Part Number: RNB-674-522

4.64 out of 5 stars ( 22 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03413

Exhaust Manifold Bolts, Steel, Zinc Plated, 8mm x 1.25 Thread Size, Cadillac, Chevy, Chrysler, Jeep, Set of 12

Part Number: RNB-03413

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03413B

Exhaust Manifold Bolts, Steel, Zinc Plated, Cadillac, Chevy, GMC, Chrysler, Dodge, Isuzu, Jeep, Set of 12

Part Number: RNB-03413B

4.59 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-732

Exhaust Manifold, Cast Iron, Passenger Side, Cadillac, Chevy, GMC, 4.8, 5.3, 6.0L, Each

Part Number: RNB-674-732

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03413HP

Exhaust Manifold Hardware, Bolts, Stainless Steel, Natural, 8mm x 1.25, 30mm Length, Cadillac, Chrysler, Chevy, Dodge, GMC, Set of 12

Part Number: RNB-03413HP

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03414B

Studs, Exhaust Manifold Mounting Hardware, Steel, Natural, Set of 6

Part Number: RNB-03414B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-525

Exhaust Manifold, Cadillac, Chevy, GMC, Hummer, Pickup, SUV, Van, 4.8, 5.3, 6.0L, Passenger Side, Each

Part Number: RNB-674-525

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03422CD

Exhaust Manifold Hardware Kit, 10 Studs and Nuts, Steel, Zinc Plated, Grade 9.8, 8mm x 1.25, Buick, Chevy, Oldsmobile, Pontiac, Saturn, L4, Kit

Part Number: RNB-03422CD

Not Yet Reviewed

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Dorman Exhaust Manifold Clamps 917-107

Exhaust Manifold Clamp, Steel, Natural, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-107

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Dorman Exhaust Manifold Mounting Hardware 03422

Exhaust Manifold Hardware, Exhaust Manifold Mounting Hardware, Stud/Nut, Set of 10

Part Number: RNB-03422

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifold Clamps 917-142

Exhaust Manifold Clamp, Steel, Black, Cadillac, Chevy, GMC, Hummer, Each

Part Number: RNB-917-142

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Dorman Exhaust Pipe Clamps 903-305

Exhaust Pipe Clamp

Part Number: RNB-903-305

Not Yet Reviewed

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Dorman Exhaust Manifolds for 2001 CAMARO, 2000-2001 FIREBIRD - 674-543

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-543

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifolds 674-732XD

Ceramic Manifold

Part Number: RNB-674-732XD

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifold Mounting Hardware 03142

Exhaust Flange Studs, Steel, Black Oxide, M10-1.5 x 62mm, Buick, Chevy, Oldsmobile, Pontiac, Pair

Part Number: RNB-03142

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Electric AIR Pumps 306-010

A.I.R. Pump, Electric, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-306-010

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifolds 674-522XD

Ceramic Manifold, GENERAL MOTORS 2020-99

Part Number: RNB-674-522XD

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Electric AIR Pumps 306-020

Emissions Air Pump, Electric, GM, Each

Part Number: RNB-306-020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifold Heat Shields 674-522HS

Exhaust Manifold Heat Shield, Steel, Silver, Cadillac, Chevrolet, GMC, Each

Part Number: RNB-674-522HS

Not Yet Reviewed

Estimated Ship Date: Today

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Dorman Exhaust Manifolds 674-859XD

Exhaust Manifold, Chevy, GMC, Isuzu, Left, Black Ceramic Coated, Includes Gasket and Hardware. Kit

Part Number: RNB-674-859XD

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifolds 674-5602

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-5602

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Direct-Fit Manifold Catalytic Converters 674-859

Cast Iron Exhaust Manifold - Includes Gaskets and Hardware

Part Number: RNB-674-859

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Dorman Exhaust Manifolds 674-858

Exhaust Manifold, Cast Iron, Natural, Each

Part Number: RNB-674-858

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

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