Header Reducers & Extensions

Collector Flanges, 3-Bolt, 3.5 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7261

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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 7/7/2025

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 7/7/2025

Collector Bolts, 12-Point Head, Stainless Steel, Natural, 3/8 in.-24, 1.500 UHL, Set of 6

Part Number: ARP-400-1215

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

Header Bolt; Collecter Bolt Kit; Header Bolt; BAll And Socket Style Collector; Zinc Plated; 6 pc.

Part Number: HED-09014

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 7/7/2025

Collector Bolts, Hex Head, Steel, Grade 5, 1.25 in. Long, Set of 6

Part Number: SNH-COLLBOLTSET

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

Reducer Cone Collectors, Weld-on, Stainless Steel, 3.0 in. Collector Diameter, 2.5 in. Reducer Diameter, Each

Part Number: KOK-9050S

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

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

Part Number: SUM-G4757ID

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, Set of 6

Part Number: STG-8950S

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 7/7/2025

Collector Flanges, 3-Bolt, 2.5 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7259

4.65 out of 5 stars ( 17 )

Estimated Ship Date: Monday 7/7/2025

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: Jul 17, 2025 if ordered today

• Free Shipping

Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3 in. Inlet, 2.50 in. Outlet, Pair

Part Number: JEX-AHB1

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

• Free Shipping

Header Collector Extensions, 3.0 in. Universal Flange, 3 in. Pipe, Pair

Part Number: HED-18702

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 7/7/2025

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 3/8 in.-16 Thread, 2.5 in. Length, Set of 6

Part Number: STG-8950B

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/7/2025

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 7/7/2025

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 7/7/2025

Header Reducers, Collector Reducers, 3-bolt Flange, 2.500 in. Diameter, Stainless Steel, Natural, Each

Part Number: STW-HCA2-52-5O2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

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

Part Number: HED-21104

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 7/7/2025

Header Extension, Afterburner Thrust Toobs, Bolt-On, 3 Bolt, 3.00 in. Inlet/Outlet, 12.00 in. Length, Pair

Part Number: BIG-10511FLT

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 7/7/2025

Header Collector Extensions, Slip-On, 3.00 in. Diameter, 18.0 in. Length, Pair

Part Number: SUM-670167

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

Header Reducer, Steel, Aluminized, 3-Bolt Flange, 2.5 in. Inlet, 2.5 in. Outlet, Each

Part Number: JEX-AWHC212

4.15 out of 5 stars ( 27 )

Estimated Ship Date: Monday 7/7/2025

Collector Flanges, 3-Bolt, 3.0 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7260

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 7/7/2025