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...

Showing In Stock Items. Show All 295 Items.

Not Showing Customizable Items. View Customizable Items.

Individual Parts

Part Groups

Results 1 - 25 of 186

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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

Estimated Ship Date: Apr 27, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 27, 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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Apr 17, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 17, 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

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

Walker Direct-Fit Y-Pipes for 2001-2007 ESCAPE, 2005-2007 MARINER, 2001-2006 TRIBUTE - 50433

Y-Pipe, Exhaust, Steel, Aluminized, 2.4 in. Outlet Diameter, Oxygen Sensor Bung, Ford, Mercury, Mazda, 3.0L

Part Number: WLK-50433

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Apr 24, 2026 if ordered today

...Loading

Estimated Ship Date: Apr 24, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

AP Exhaust Y-Pipes 94949

Not Yet Reviewed

Estimated Ship Date: Apr 20, 2026

...Loading

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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 )

Estimated Ship Date: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

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: Today

...Loading

Estimated Ship Date: Today

Page 1 of 8
Next