Header Reducers & Extensions

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA3-53-5O2

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2025 if ordered today

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Exhaust Collector Flanges, 2-Bolt, 2.0 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7257

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 5/19/2025

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

Part Number: STG-8931B

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Estimated Ship Date: Monday 5/19/2025

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 5/19/2025

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

Part Number: HED-15312

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Estimated Ship Date: Monday 5/19/2025

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 5/19/2025

Collector Fastener, Wedge-Locking Collector Bolt, Hex Head, Steel, Black Oxide, 3/8-16 in., Set of 6

Part Number: PRO-66757

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/19/2025

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 5/19/2025

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 5/19/2025

Collector Flanges, 3-Bolt, 2.0 in. I.D., Gaskets, Fasteners, Set

Part Number: PTE-H7258

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/19/2025

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: Jun 10, 2025 if ordered today

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EXHAUST REDUCER WITH O2

Part Number: STW-TT325-O2

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2025 if ordered today

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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

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Estimated Ship Date: Monday 5/19/2025

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

Part Number: STG-5554

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Estimated Ship Date: Jun 2, 2025 if ordered today

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

Part Number: STG-5553

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Estimated Ship Date: Jun 2, 2025 if ordered today

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

Part Number: BIG-10002FLT

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Estimated Ship Date: Jun 2, 2025 if ordered today

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3.0" ID - 3.0" OD TUBING TRANS

Part Number: STW-TT33-O2

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Estimated Ship Date: May 28, 2025 if ordered today

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

Part Number: STG-8933B

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Estimated Ship Date: Jun 2, 2025 if ordered today

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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: May 19, 2025 if ordered today

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

Part Number: STG-8950F

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Estimated Ship Date: Monday 5/19/2025

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

Part Number: SCH-3030

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Estimated Ship Date: May 19, 2025 if ordered today

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COLLECTOR FLANGE

Part Number: PTE-H7269

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Estimated Ship Date: Jun 10, 2025 if ordered today

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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 2, 2025 if ordered today

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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: Jun 2, 2025 if ordered today

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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 5/19/2025