Shop the CLEARANCE SALE!

Shop the CLEARANCE SALE!

FREE SHIPPING on Orders Over $109!

Header Reducers & Extensions

Individual Parts

Results 51 - 75 of 222

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Collector Rings, 2.50 in., Weld-On, 3-Bolt Flange, Steel, Natural, Pair

Part Number: SUM-G4760

3.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

This product may not be eligible for select promotional offers

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Collector Extensions, 3.0 in. Ball and Socket Style Flange, 2.50 in. Pipe, Pair

Part Number: HED-18700

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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

Part Number: HOK-11035HKR

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

This product may not be eligible for select promotional offers

Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Painted, Each

Part Number: SUM-626102

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Collector Extensions, 3-Bolt, 3.50 in. Diameter, 12.0 in. Length, Gaskets, Fasteners, Pair

Part Number: SUM-670164

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Reducers, 3.000 in. Diameter, Ball and Socket Flange, Steel, Aluminized, Each

Part Number: HED-21154

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Reducer, Ball/Socket Flange, 3 in. Inlet, 3 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: HED-21134

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Reducers, 2.50 in. Inlet, 2.50 in. Outlet, 3-Bolt Flange, Stainless Steel, Natural, Includes, Flanges, Gaskets, Hardware, Kit

Part Number: HED-22105

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Extension, Long-Tube, Ball and Socket Flange, 3 in. Diameter, Ford, Pair

Part Number: CSE-16015

Not Yet Reviewed

Estimated Ship Date: Aug 5, 2025 if ordered today

...Loading

Estimated Ship Date: Aug 5, 2025 if ordered 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: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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

Part Number: HED-21103

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Collector Rings, 3.50 in., Weld-On, 3-Bolt Flange, Steel, Natural, Pair

Part Number: SUM-G4762

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

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 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Header Reducer, 3-Bolt Flange, 3.0 in. Inlet, 2.5 in. Outlet, Oxygen Sensor Fitting, Steel, Each

Part Number: HED-21142

4.41 out of 5 stars ( 17 )

Estimated Ship Date: Monday 7/14/2025

...Loading

Estimated Ship Date: Monday 7/14/2025

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.