Header Reducers & Extensions

Header Reducer, Ball and Socket Flange, 3 in. Inlet, 2.25 in. Outlet, Steel, Painted, Each

Part Number: HED-21117

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

Header Collector Extensions, 3.5 in., Slip-Fit, 18-Gauge, Fits 3.5 in. Pipe, 48 in. Length, Each

Part Number: SCH-480035

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

• Oversize $7.99

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: Monday 7/7/2025

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53-5O2

Not Yet Reviewed

Estimated Ship Date: Aug 5, 2025 if ordered today

• Drop Ship
• Special Order

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

Part Number: WLK-88307

Not Yet Reviewed

Lead Pipe Kit: Factory Connect 2015-2025 Mustang GT

Part Number: STW-M15LDSFC

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2025 if ordered today

• Free Shipping
• Special Order

SB Chevy Header, 3/8" x 16", 1-1/4 Bolt Kit 12 PT head, set of 12

Part Number: STG-8931B

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

Collector Fasteners, Locking, 3/8-16 in. Threads, 2.5 in. UHL, Set of 4

Part Number: STG-5553

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Special Order

Collector Fasteners, Locking, 3/8-16 in. Threads, 3 in. UHL, Set of 4

Part Number: STG-5554

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Special Order

Header Reducer, Steel, Aluminized, 3-Bolt Flange, 3.5 in. Inlet, 2.5 in. Outlet, Each

Part Number: JEX-AWHC312

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

Header Collector Flanges, 3-Bolt, 2.5 in. Inlet, Steel, Natural, Gaskets, Hardware, Set

Part Number: PTE-H7254

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 25, 2025 if ordered today

• Drop Ship
• Special Order

Header Reducer, Terminator Reducers/Street Hookups, 3 Bolt, Inlet 3.5 in., Outlet 2.5 in., Each

Part Number: BIG-10016FLT

Not Yet Reviewed

Estimated Ship Date: Jul 17, 2025 if ordered today

• Drop Ship
• Special Order

Collector Fasteners, Locking, 3/8-16 in. Threads, 1.5 in. UHL, Set of 6

Part Number: STG-5551

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Special Order

EXHAUST REDUCER WITH O2

Part Number: STW-TT325-O2

Not Yet Reviewed

Estimated Ship Date: Jul 30, 2025 if ordered today

• Special Order

Collector Reducers, 3-Bolt, 2.50 in. to 2.25 in., O2 Sensor Bungs, Gaskets, Fasteners, Pair

Part Number: PTE-H7232

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

Header Collector Ring, Steel, 3.5 in. I.D., 3-Bolt, Each

Part Number: HED-15312

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

Header Collector Extensions, 3.5 in., Slip-Fit, 18-Gauge, Fits 3.5 in. Pipe, 36 in. Length, Each

Part Number: SCH-360035

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025

Exhaust Header Reducers, 3 in. Inlet, 2.5 in. Outlet, 3-Bolt, Steel, Chrome, Pair

Part Number: SPE-4641

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 7/7/2025

3.0" ID - 3.0" OD TUBING TRANS

Part Number: STW-TT33-O2

Not Yet Reviewed

Estimated Ship Date: Jul 31, 2025 if ordered today

• Special Order

SB Ford Header, 3/8" x 16", 1-1/4 Bolt Kit 12 PT head, set of 16

Part Number: STG-8933B

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Drop Ship
• Special Order

Header Reducers, Header Buddies, Aluminumized Steel, 3-Bolt Flange, 3 in. Inlet, 2.25 in. Outlet, Pair

Part Number: JEX-AHB2

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Jul 14, 2025 if ordered today

• Special Order

Exhaust Collector Reducer, Steel, Natural, 3.0 in. Inlet, 3.0 in. Outlet, 4.875 in. Length, Each

Part Number: SCH-3030

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Special Order

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.50 Thread, 75mm UHL, Set of 6

Part Number: STG-8950F

Not Yet Reviewed

Estimated Ship Date: Monday 7/7/2025

COLLECTOR FLANGE

Part Number: PTE-H7269

Not Yet Reviewed

Estimated Ship Date: Jul 25, 2025 if ordered today

• Drop Ship
• Special Order

Exhaust Pipe, Connector, Slip Fit, 3.00 in. I.D. to 3.00 in. O.D., Steel, Natural, Pair

Part Number: PTE-H7633

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 7/7/2025