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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Results 1 - 25 of 287

LG Billet USA Weld-In Bungs LG-EXH-001

LG Billet USA Weld-In Bungs LG-EXH-001

Bung, Oxygen Sensor, Weld-In, Stainless Steel, 18mm x 1.5, Female Threads, Each

Part Number: LGB-LG-EXH-001

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Exhaust Reducers with 2.5 Inch Outlet SUM-626102

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Painted, Each

Part Number: SUM-626102

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Haltech Weld Fittings HT-010702

Weld-In Bungs and Fittings, Oxygen Sensor Bung Type, M18 x 1.5 Female Thread, Stainless Steel, Each

Part Number: HTH-HT-010702

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Haltech Weld Fittings HT-010701

Oxygen Sensor Bung, Weld-in, Aluminum, M18 x 1.5 Female Threads, Each

Part Number: HTH-HT-010701

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Dorman Weld-In Bungs, Nuts and Fittings 904-550

Exhaust Gas Differential Pressure Sensor Bung Repair Kit, Differential Pressure Tube Bung Repair (M14x1.5)

Part Number: RNB-904-550

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Haltech Weld Fittings HT-010233

Weld Fitting, Temperature Bung, 3/8 in. NPT Female Threads, Aluminum, Each

Part Number: HTH-HT-010233

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

Haltech O2 Sensor Adapters HT-010704

Weld-In Bungs, Nuts and Fittings, O2 Sensor Adaptor, 1 in. O.D., Steel, Natural Finish, Male Threads, Yamaha, Each

Part Number: HTH-HT-010704

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Haltech Weld Fittings HT-010231

Weld Fitting 1/8 NPT - 27 TPI - 6061 Aluminum

Part Number: HTH-HT-010231

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

BBK Exhaust Flow Tubes 14670

Header Collector Ball Flange, 3.5 in. Collector, 2.75 in. Pipe, Steel, Natural, 12 in. Long, Features Oxygen Sensor Bung, Pair

Part Number: BBK-14670

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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JBA Performance Exhaust Header Reducers with 2.5 Inch Outlet 1650-1ST

Header Starter Tubes, Ball and Socket, 2-Bolt Flange, 409 Stainless Steel, 2.5 in. Diameter, O2 Bungs, Pair

Part Number: JBA-1650-1ST

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Hedman Oxygen Sensor Reducers with 3 Inch Outlet 21133

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 3 in. Outlet, Steel, Painted, Each

Part Number: HED-21133

4.67 out of 5 stars ( 15 )

Estimated Ship Date: Tomorrow

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Hedman Oxygen Sensor Reducers with 3 Inch Outlet 22126

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3.00 in. Inlet, 3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: HED-22126

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Hooker Blackheart Intermediate Pipes for 1963-1972 C10 PICKUP, 1967-1972 C15/C1500 PICKUP - BH13205

Intermediate Pipes, Exhaust, 2.50 in. O.D., 409 Stainless Steel, with Oxygen (O2) Sensor Bungs, Chevy, GMC, V8, Pair

Part Number: HOK-BH13205

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Summit Racing™ Exhaust Reducers with 2.25 Inch Outlet SUM-626103

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each

Part Number: SUM-626103

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Hooker Blackheart Intermediate Pipes for 1970-1981 CAMARO, FIREBIRD - 70701322-RHKR

Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Chevy, Pontiac, Pair

Part Number: HOK-70701322RHKR

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Summit Racing™ Exhaust Reducers with 3 Inch Outlet SUM-626101

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 3 in. Outlet, Steel, Painted, Each

Part Number: SUM-626101

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Patriot Oxygen Sensor Reducers with 2.5 Inch Outlet H7233

Collector Reducers, 3-Bolt, 3 in. to 2.5 in., O2 Sensor Bungs, Gaskets, Fasteners, Pair

Part Number: PTE-H7233

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Hooker Blackheart Intermediate Pipes 70701317-RHKR

Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Buick, Chevy, GMC, Olds, Pontiac, V8, Pair

Part Number: HOK-70701317RHKR

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Flowtech Header Reducers with 2.25 Inch Outlet 10105FLT

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.25 in. Outlet, O2 Bung, Steel, Natural, Pair

Part Number: BIG-10105FLT

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Hooker Blackheart Intermediate Pipes BH13257

Header Extensions, Blackheart Intermediate Pipes, 2.50 in. Diameter, 2-bolt Flange, Bung, RWD, Chevrolet, GMC, Small Block LS, Pair

Part Number: HOK-BH13257

Not Yet Reviewed

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JBA Performance Exhaust Header Reducers with 2.5 Inch Outlet 31650-1ST

Header Starter Tubes, Ball and Socket, 2-Bolt Flange, 304 Stainless Steel, 2.5 in. Diameter, O2 Bungs, Pair

Part Number: JBA-31650-1ST

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Hooker Blackheart Intermediate Pipes 70701313-RHKR

Intermediate Pipes, Exhaust, 2.50 in. O.D., Stainless, Natural, for Cast Iron Systems, with O2 Bungs, Buick, Chevy, GMC, Olds, Pontiac, V8, Pair

Part Number: HOK-70701313RHKR

Not Yet Reviewed

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Ultimate Headers Extreme Low-Profile Clamps 997301-O2

Exhaust Clamps, Extreme Low-Profile, V-band Clamp Style, 3.000 in. Pipe Diameter, Stainless Steel, Natural, O2 Sensor Bung, Pair

Part Number: JBC-997301-O2

Not Yet Reviewed

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Hedman Oxygen Sensor Reducers with 2.25 Inch Outlet 21107

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Natural, Each

Part Number: HED-21107

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Stainless Works Reducers with 3 Inch Outlet HCA33O2

Collector Adapter 3" inlet 3" outlet with O2 bung

Part Number: STW-HCA33-O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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