Header Reducers

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

Part Number: SUM-G4751

4.29 out of 5 stars ( 21 )

Estimated Ship Date: Monday 5/12/2025

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

Part Number: BIG-10005FLT

4.17 out of 5 stars ( 12 )

Estimated Ship Date: Monday 5/12/2025

Header Reducers, Angled, 3-bolt Flange, Steel, Painted, 2.5 in. To 2.25 in., Pair

Part Number: SNH-A-RED25

4.08 out of 5 stars ( 12 )

Estimated Ship Date: Monday 5/12/2025

Header Reducers, Ball and Socket Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Painted, Pair

Part Number: HED-21114

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 5/12/2025

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: Monday 5/12/2025

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2 1/4 in. Outlet, Steel, Natural, Pair

Part Number: PTE-H7251

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 5/12/2025

Header Collector, Ball/Socket, 2.5 in. Inlet, 2.25 in. Outlet, Steel, Zinc Plated, Composite Gaskets, Pair

Part Number: PTE-H7247

3.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 5/12/2025

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

Part Number: HED-21100

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

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: Monday 5/12/2025

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: Monday 5/12/2025

Header Reducers, Straight, 3-bolt Flange, Steel, Painted, 2.5 in. To 2.25 in., Pair

Part Number: SNH-S-RED25

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

Header Reducers, Collector Reducers, 3-bolt Flange, 2.500 in. Collector Diameter, 2.250 in. Reducer Outlet Diameter, Steel, Zinc Finish, Gaskets, Kit

Part Number: PTE-H7229

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, 409 Stainless Steel, Natural, Pair

Part Number: SUM-G4750SS

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA2-52-25O2

Not Yet Reviewed

Estimated Ship Date: Monday 5/12/2025

• Free Shipping

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: Jul 23, 2025 if ordered today

Header Reducer, 3-Bolt, 4-Bolt, Universal Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Natural, Each

Part Number: HED-21108

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

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 )

Estimated Ship Date: Monday 5/12/2025

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: Monday 5/12/2025

Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, Pair

Part Number: JEX-AHB2

4.75 out of 5 stars ( 4 )

Estimated Ship Date: May 12, 2025 if ordered today

• Special Order

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA32-25O2

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

• Free Shipping
• Special Order

Header Collector Adapter, Reducer, 3.0 in. 3-Bolt Flange, 2.25 in.Out., 6.0 in. OAL., 304L SS, Each

Part Number: STW-HCA32-25

Not Yet Reviewed

Estimated Ship Date: May 12, 2025 if ordered today

• Special Order