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Header Reducers & Extensions

Individual Parts

Results 176 - 194 of 194

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

Part Number: STG-8950N

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Header Reducer, with Oxygen Sensor Bung, 3-Bolt Flange, 2.5 in. Inlet, 2 in. Outlet, Steel, Natural, Each

Part Number: HED-21106

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HEADER COLLECTOR ADAPTER

Part Number: STW-HCA2-52-25O2

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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 )

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Header Reducers, 3-Bolt Flange, 3.00 in. Inlet, 2.125 in. Outlet, Steel, Painted, Pair

Part Number: HOK-11030HKR

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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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: Nov 10, 2026 if ordered today

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Estimated Ship Date: Nov 10, 2026 if ordered today

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: Nov 2, 2026 if ordered today

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Estimated Ship Date: Nov 2, 2026 if ordered today

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA2-52O2

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered today

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: Oct 30, 2026 if ordered today

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Estimated Ship Date: Oct 30, 2026 if ordered today

3 1/2" 3 bolt, 3 1/2" od outlet, 6" overall length. 304 S/S Construction, tig welded, 3/8" thick laser cut fl

Part Number: STW-HCA3-53-5

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered today

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

Part Number: HED-22123

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Estimated Ship Date: Tomorrow

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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: Nov 10, 2026 if ordered today

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Estimated Ship Date: Nov 10, 2026 if ordered today

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: Oct 30, 2026 if ordered today

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Estimated Ship Date: Oct 30, 2026 if ordered today

COLLECTOR FLANGE

Part Number: PTE-H7269

Not Yet Reviewed

Estimated Ship Date: Nov 10, 2026 if ordered today

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Estimated Ship Date: Nov 10, 2026 if ordered today

HEADER COLLECTOR ADAPTER

Part Number: STW-HCA32-25O2

Not Yet Reviewed

Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered today

VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817978

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today

Lead Pipe Kit: Aftermarket Connect 2015-2025 Mustang GT

Part Number: STW-M15LDSLG

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Estimated Ship Date: Dec 21, 2026 if ordered today

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Estimated Ship Date: Dec 21, 2026 if ordered 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: Oct 30, 2026 if ordered today

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Estimated Ship Date: Oct 30, 2026 if ordered today

VERTEX FORMED EXHAUST VALVEBELLOWS

Part Number: VPX-817999

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2026 if ordered today

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Estimated Ship Date: Nov 11, 2026 if ordered today