Header Reducers

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

Part Number: SUM-G4756

4.55 out of 5 stars ( 44 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: JBA-1650ST

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

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

Part Number: HED-21123

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/27/2025

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: Monday 10/27/2025

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

Part Number: HOK-11026HKR

4.66 out of 5 stars ( 29 )

Estimated Ship Date: Monday 10/27/2025

Header Reducer; Gasket Style; Tube Size 2.5 in.; Collector 2.5 in.; 3-Bolt Flange; Mild Steel

Part Number: HED-21105

4.57 out of 5 stars ( 23 )

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

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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

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

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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

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

Part Number: JBA-31650ST

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Header Collector, 3-Bolt, 2.50 in. Inlet/Outlet Diameter, Steel, Zinc Plated, Composite Gaskets, Pair

Part Number: PTE-H7239

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, Ball and Socket Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Painted, Pair

Part Number: HED-21113

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2.0 in. Outlet, Steel, Zinc, Gaskets, Hardware, Pair

Part Number: PTE-H7250

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Collector Reducer 2 1/2"

Part Number: PTE-H7249

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Header Reducers, Steel, Slip-On, 2 1/2 in. Primary Tube Diameter, 2.00 in. Collector Diameter, Pair

Part Number: HED-21111

3.0 out of 5 stars ( 1 )

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-G4755ID

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 2-Bolt Flange, 2.50 in. Inlet, 2.50 in. Outlet, 6 in. Length, Steel, Natural, Pair

Part Number: SC2-HCA

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Natural, Pair

Part Number: HED-21101

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Header Collector Reducers, Steel, Zinc Plated, 3-Bolt, 2.50 in. Diameter, Composite Gaskets, Pair

Part Number: PTE-H7242

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 10/27/2025

Header Reducers, 3-Bolt Flange, Steel, Natural, 2.5 in. Inlet, 2.5 in. Outlet, 4 in. Length, Each

Part Number: APH-9071

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025