Header Reducers & Extensions

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

Part Number: SUM-670167

Not Yet Reviewed

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 Collector Adapter, Reducer, 3.5 in. 3-Bolt Flange, 2.5 in.Out., 6.0 in. OAL., 304L SS, Each

Part Number: STW-HCA3-52-5

Not Yet Reviewed

Estimated Ship Date: Jun 9, 2025 if ordered today

Header Starter Tubes, Ball/Socket, 2-Bolt Flange, 409 Stainless Steel, 2.5 in. Diameter, with JBA-1653, Pair

Part Number: JBA-1653ST

4.5 out of 5 stars ( 2 )

Estimated Ship Date: May 20, 2025 if ordered today

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: May 27, 2025 if ordered today

• Drop Ship
• 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: Today

Header Collector Adapter, Reducer, 2.5 in. 3-Bolt Flange, 2.25 in.Out., 6.0 in. OAL., 304L SS, Each

Part Number: STW-HCA2-52-25

Not Yet Reviewed

Estimated Ship Date: Today

EXHAUST REDUCER WITH O2

Part Number: STW-TT325-O2

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

3.0" ID - 3.0" OD TUBING TRANS

Part Number: STW-TT33-O2

Not Yet Reviewed

Estimated Ship Date: May 28, 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: May 27, 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: Tomorrow 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: Today

COLLECTOR FLANGE

Part Number: PTE-H7269

Not Yet Reviewed

Estimated Ship Date: Jun 5, 2025 if ordered today

• Drop Ship
• Special Order

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.5 Thread, Set of 4

Part Number: STG-8950M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Collector Bolts, Hex Head, Locking, Steel, Nickel Plated, 10mm x 1.50 Thread, 65mm UHL, Set of 6

Part Number: STG-8950N

Not Yet Reviewed

Estimated Ship Date: Today

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: May 27, 2025 if ordered today

• Drop Ship
• 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: Tomorrow 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: Tomorrow 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: Tomorrow if ordered today

• 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: Tomorrow if ordered today

• 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: Jun 9, 2025 if ordered today

• Special Order

HEADER REDUCERS PAIR JBA MID-LENGTH

Part Number: MMU-MA6368

Not Yet Reviewed

Estimated Ship Date: May 15, 2025 if ordered today

• Special Order