Header Reducers

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

Part Number: SUM-G4752ID

4.66 out of 5 stars ( 38 )

Estimated Ship Date: Today

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

Part Number: PYE-PVR13S

4.92 out of 5 stars ( 25 )

Estimated Ship Date: Today

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

Part Number: SUM-G4752

4.5 out of 5 stars ( 46 )

Estimated Ship Date: Today

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

Part Number: HOK-11036HKR

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Today

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

Part Number: SUM-626121

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: PYE-PVR10S

4.89 out of 5 stars ( 27 )

Estimated Ship Date: Today

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

Part Number: HED-21118

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Today

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

Part Number: HOK-11032HKR

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 3 in. Outlet, Steel, Painted, Each

Part Number: HED-21133

4.64 out of 5 stars ( 14 )

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: Today

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: Today

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

Part Number: STW-HCA33

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: SUM-626120

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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

Part Number: PTE-H7237

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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: Today

Header Reducer, 3-Bolt Flange, 3.5 in. Inlet, 3 in. Outlet, Stainless Steel, Each

Part Number: STW-HCA3-53

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 3 in. Outlet, Steel, Painted, Each

Part Number: SUM-626101

Not Yet Reviewed

Estimated Ship Date: Today

Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3.0 in. Inlet, 3.0 in. Outlet, Pair

Part Number: JEX-AHB3

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Collector Adapter 3" inlet 3" outlet with O2 bung

Part Number: STW-HCA33-O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: HED-21121

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: PTE-H7244

4.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53O2

Not Yet Reviewed

Estimated Ship Date: Aug 11, 2025 if ordered today

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• Special Order