Header Reducers & Extensions

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-52-5O2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Header Collector Extensions, 2.5 in., Slip-Fit, 18-Gauge, Fits 3.0 in. Pipe, 12 in. Length, Each

Part Number: SCH-120025-3

Not Yet Reviewed

Estimated Ship Date: Tomorrow

LS1, LS2, LS6 Chevy w/8mm x 30mm, 1-1/4" underhead, 12 pt head, set of 12

Part Number: STG-8930B

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Drop Ship
• Special Order

Collector Fasteners, Locking, 3/8-16 in. Threads, 2 in. UHL, Set of 4

Part Number: STG-5552

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Drop Ship
• Special Order

VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817999

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Drop Ship
• Special Order

VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817978

Not Yet Reviewed

Estimated Ship Date: Jul 7, 2025 if ordered today

• Drop Ship
• Special Order

Header Reducers, 3-Bolt Flange, 3 in. Inlet, 2.5 in. Outlet, Steel, Natural, Set of 10

Part Number: BIG-10002FLT

Not Yet Reviewed

Estimated Ship Date: Jun 30, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Reducers, Stainless, Natural, Ball and Socket Flange, 2.5 in. Collector, 2.0 in. Reducer Outlet, Pair

Part Number: HED-22123

Not Yet Reviewed

Estimated Ship Date: Sep 3, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Collector Extensions, 3-Bolt, 2.50 in. Diameter, 18.0 in. Length, Gaskets, Fasteners, Pair

Part Number: SUM-670166

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Special Order

Lead Pipe Kit: Factory Connect 2015-2025 Mustang GT

Part Number: STW-M15LDSFC

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Lead Pipe Kit: Aftermarket Connect 2015-2025 Mustang GT

Part Number: STW-M15LDSLG

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Lead Pipe Kit: Performance Connect 2015-2025 Mustang GT

Part Number: STW-M15LDSPC

Not Yet Reviewed

Estimated Ship Date: Jul 14, 2025 if ordered today

• Free Shipping
• Special Order

Header Collector Extensions, 5.0 in., Slip-Fit, 16-Gauge, Fits 5.0 in. Pipe, 48 in. Length, Double Swedged Ends, Each

Part Number: SCH-480050DS

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

Header Collector Extensions, 5.0 in., Slip-Fit, 16-Gauge, Fits 5.0 in. Pipe, 48 in. Length, Each

Part Number: SCH-480050

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

Header Collector Extensions, 5.0 in., Slip-Fit, 16-Gauge, Fits 5.0 in. Pipe, 36 in. Length, Each

Part Number: SCH-360050

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

Exhaust Collector Reducer, Steel, Natural, 3.5 in. Inlet, 3.5 in. Outlet, 5.000 in. Length, Each

Part Number: SCH-3535

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

REDUCER 2 1/4" ID TO 3" OD

Part Number: SCH-2230

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

REDUCER 2 1/2" ID TO 2" OD

Part Number: SCH-2520

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

REDUCER 2 1/2" ID TO 2 1/4" OD

Part Number: SCH-2522

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

REDUCER 2" ID TO 3" OD

Part Number: SCH-2030

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

REDUCER 2 3/4" ID TO 3" OD

Part Number: SCH-2730

Not Yet Reviewed

Estimated Ship Date: Jun 27, 2025 if ordered today

• Special Order

Attaches Kooks headers to factory OEM cat-back system. Not needed if using Kooks complete exhaust system

Part Number: KOK-22513300

Not Yet Reviewed

Estimated Ship Date: Jul 21, 2025 if ordered today

• Free Shipping
• Special Order

Header Collector Adapter, Reducer, 3.0 in. 3-Bolt Flange, 2.25 in.Out., 6.0 in. OAL., 304L SS, Each

Part Number: STW-HCA32-25

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2025 if ordered today

• Special Order

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA32-25O2

Not Yet Reviewed

Estimated Ship Date: Jul 15, 2025 if ordered today

• Free Shipping
• Special Order