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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Hedman Oxygen Sensor Reducers with 3 Inch Outlet 21133

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 )

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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 )

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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 )

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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 )

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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

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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 )

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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 )

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Patriot Oxygen Sensor Reducers with 2.25 Inch Outlet H7232

Collector Reducers, 3-Bolt, 2.50 in. to 2.25 in., O2 Sensor Bungs, Gaskets, Fasteners, Pair

Part Number: PTE-H7232

Not Yet Reviewed

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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 )

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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

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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 )

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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 )

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Hedman Oxygen Sensor Reducers with 2.5 Inch Outlet 21143

Oxygen Sensor Reducer; Tube Size 2.5 in.; Collector Size 3 in.; w/Ball And Socket Flanges; Mild Steel

Part Number: HED-21143

4.56 out of 5 stars ( 9 )

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Hedman Oxygen Sensor Reducers with 2.5 Inch Outlet 21142

Header Reducer, 3-Bolt Flange, 3.0 in. Inlet, 2.5 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: HED-21142

4.28 out of 5 stars ( 18 )

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Hedman Oxygen Sensor Reducers with 3 Inch Outlet 21134

Header Reducer, Ball/Socket Flange, 3 in. Inlet, 3 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: HED-21134

3.88 out of 5 stars ( 8 )

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Hedman Oxygen Sensor Reducers with 2.25 Inch Outlet 21126

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

Part Number: HED-21126

3.0 out of 5 stars ( 8 )

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Hedman Oxygen Sensor Reducers with 2.25 Inch Outlet 21117

Header Reducer, Ball and Socket Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each

Part Number: HED-21117

5.0 out of 5 stars ( 1 )

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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

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Hooker Blackheart Intermediate Pipes for 2000 YUKON, TAHOE, 1988-1998 K1500 - BH14351

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

Part Number: HOK-BH14351

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hooker Blackheart Intermediate Pipes BH14350

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

Part Number: HOK-BH14350

Not Yet Reviewed

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Summit Racing™ Exhaust Reducers with 3 Inch Outlet SUM-626100

Header Reducer, Ball/Socket Flange, 3 in. Inlet, 3 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: SUM-626100

5.0 out of 5 stars ( 3 )

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Summit Racing™ Exhaust Reducers with 2.5 Inch Outlet SUM-626104

Header Reducer, Ball/Socket Flange, 3 in. Inlet, 2.5 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: SUM-626104

1.0 out of 5 stars ( 1 )

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Classic Performance Headers CPPHD-M2LS

Headers, Long Tube, Steel, Silver Ceramic Coated, Chevy, GMC, LS Swap, Pair

Part Number: CLP-CPPHD-M2LS

5.0 out of 5 stars ( 2 )

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Classic Performance Headers CPPHD-M2SBC

Header, Long Tube, Steel, Ceramic Coated, 1 3/4 in. Primary Tube, Aftermarket Mustang II Front End, Small Block, Chevy, Pair

Part Number: CLP-CPPHD-M2SBC

5.0 out of 5 stars ( 1 )

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Detroit Speed Stainless Steel Long Tube Headers 061005DS

DSE Stainless Steel Headers - Ford Coyote Engine with DSE Front Frame, 1964.5-1970 Mustang

Part Number: DSR-061005DS

Not Yet Reviewed

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