Header Reducers

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, 12.000 in. Long, Stainless Steel, Polished, Pair

Part Number: SUM-626122

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: HED-21122

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, Slip Fit, 3 in. Inlet, 2.5 in. Outlet, Steel, Aluminized, Pair

Part Number: FLO-R3025

5.0 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: SUM-G4752SS

3.2 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 3.5 in. Inlet, 2.5 in. Outlet, Stainless Steel, Polished, Pair

Part Number: PYE-PVR19S

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Header Reducers, 3-Bolt Flange, 3.50 in. Inlet, 2.50 in. Outlet, Steel, Painted, Pair

Part Number: HOK-11035HKR

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 2.50 in. Outlet, Steel, Ceramic Coated, Pair

Part Number: HOK-110401HKR

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

• Free Shipping

Header Collector Reducers, Steel, Zinc Plated, 3-Bolt, 3.50 in. Diameter, Composite Gaskets, Pair

Part Number: PTE-H7245

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 2.25 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4751ID

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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: Monday 10/27/2025

• Free Shipping

Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 2.50 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4754ID

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 3.50 in. Inlet, 3.00 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4753ID

4.14 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 3.5 in. Inlet, 2.5 in. Outlet, Stainless Steel, 12.000 in. Long, Polished, Pair

Part Number: SUM-626123

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Header Reducers, Ball and Socket Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Aluminized, Pair

Part Number: HED-21112

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

Header Collector, 3-Bolt, 3.00 in. Inlet/Outlet Diameter, Steel, Zinc Plated, Composite Gaskets, Pair

Part Number: PTE-H7237

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 3.50 in. Inlet, 2.50 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4757

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

Collector Reducers, 3-Bolt, 3.5 in. to 3.5 in., Gaskets, Fasteners, Pair

Part Number: PTE-H7246

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 2.50 in. Inlet, 2.00 in. Outlet, Steel, Natural, Pair

Part Number: SUM-G4755

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Collector Reducers, 3-bolt Flange, Steel, Zinc Finish, 3.5 in. To 3.0 in., 5.0 in. Length, Pair

Part Number: PTE-H7235

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, Stainless, Natural, Ball and Socket Flange, 2.5 in. Collector, 2.5 in. Reducer Outlet, Pair

Part Number: HED-22129

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

• Free Shipping

Header Reducers, 3-Bolt Flange, 3.5 in. Inlet, 2.5 in. Outlet, Steel, Zinc, Gaskets, Hardware, Pair

Part Number: PTE-H7252

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: BIG-10005FLT

4.23 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/27/2025