Tubing Couplers

If your project requires any sort of custom air ducts—such as for cold air intakes, turbo or boost pipes, or HVAC systems—Summit Racing Equipment is the...

If your project requires any sort of custom air ducts—such as for cold air intakes, turbo or boost pipes, or HVAC systems—Summit Racing Equipment is the place to find the couplers, clamps, elbows, joiners, and adapters you need to connect it all together.

Top Brands

Summit carries couplers from trusted brands like K&N, AEM Induction, Airaid, Spectre Performance, Vibrant Performance, Dorman, Turbonetics, Mishimoto, and many more. Choose from silicone, aluminum, rubber, and plastic, in a variety of sizes and bends.

Top Brands

Individual Parts

Part Groups

Results 1 - 25 of 246

Spectre Performance Reducer Couplers 9741

Air Intake Tube Coupler; Air Intake Reducer Coupler; Black; Connects 4 in. Dia. Intake Tube To 3.5 in. Dia. Co

Part Number: SPE-9741

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 9791

Air Intake Tube Coupler, Black, PVC, Connects 4 in. Dia. Intake Tube To 5.2 in. x 3.1 in. Oval Inlet, Each

Part Number: SPE-9791

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 8771

Coupler, Intake Tube, Rubber, Black, 3 in. to 2.5 in./3 in, Each

Part Number: SPE-8771

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 8752

Air Ducting, Reducer, Coupler, Rubber, Red, 3 in. to 2 1/2 in., 2 Clamps, Each

Part Number: SPE-8752

Not Yet Reviewed

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 9761

Air Intake Tube Coupler; Air Intake Reducer Coupler; Black; Connects 4 in. Dia. Intake Tube To 3 in. Dia. Comp

Part Number: SPE-9761

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 8756

Air Ducting, Reducer, Coupler, Rubber, Blue, 3 in. to 2 1/2 in., 2 Clamps, Each

Part Number: SPE-8756

Not Yet Reviewed

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 8772

Air Ducting, Reducer, Coupler, Rubber, Red, 3 in. to 3 in./2 1/2 in., 2 Clamps, Each

Part Number: SPE-8772

Not Yet Reviewed

Estimated Ship Date: Today

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Spectre Performance Reducer Couplers 8751

Air Ducting, Reducer, Coupler, Rubber, Black, 3 in. to 2 1/2 in., 2 Clamps, Each

Part Number: SPE-8751

Not Yet Reviewed

Estimated Ship Date: Aug 25, 2025 if ordered today

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Estimated Ship Date: Aug 25, 2025 if ordered today

Spectre Performance Reducer Couplers 97611

Tubing Coupler, Reducer, Straight, Rubber, Black, 4.0 in. Inlet, 3.0 in. Outlet, 3.0 in. Length, Each

Part Number: SPE-97611

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 2025 if ordered today

Spectre Performance Reducer Couplers 87831

Tubing Coupler, 3.000 in Inlet, 2.75 in Outlet, Straight, Rubber, Black, Each

Part Number: SPE-87831

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2025 if ordered today

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Estimated Ship Date: Jun 24, 2025 if ordered today

Spectre Performance Reducer Couplers 8776

Air Ducting, Reducer, Coupler, Rubber, Blue, 3 in. to 3 in./2 1/2 in., 2 Clamps, Each

Part Number: SPE-8776

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 18, 2025 if ordered today

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Estimated Ship Date: Jun 18, 2025 if ordered today

DC Sports Silicone Couplers DCCP300-350

DC Sports 3.5"-3" Silicone Reducing Coupler

Part Number: DCS-DCCP300-350

Not Yet Reviewed

Estimated Ship Date: Jul 16, 2025 if ordered today

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Estimated Ship Date: Jul 16, 2025 if ordered today

Vibrant Performance Reinforced Silicone Hose Couplers 2921

Silicone Reducer, Straight, Black, 1.25 in. x 1.50 in. Diameters, 3.0 in. Length, Each

Part Number: VPE-2921

Not Yet Reviewed

Estimated Ship Date: Today

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Vibrant Performance Reinforced Silicone Hose Couplers 19745

Coupler, Reducer Coupler, 3.50" I.D. X 3.75" I.D. X 3.00" Long - Black

Part Number: VPE-19745

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257038032

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 1.50 in. Inlet, 1.25 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257038032

Not Yet Reviewed

Estimated Ship Date: Today

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Vibrant Performance Reinforced Silicone Hose Couplers 19734

Coupler, Reducer Coupler, 3.00" I.D. X 3.25" I.D. X 4.50" Long - Black

Part Number: VPE-19734

Not Yet Reviewed

Estimated Ship Date: Today

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Vibrant Performance Reinforced Silicone Hose Couplers 19708

Coupler, Reducer Coupler, 2.25" I.D. X 2.375" I.D. X 3.00" Long - Black

Part Number: VPE-19708

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257045032

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 1.75 in. Inlet, 1.25 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257045032

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257089076

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 3.50 in. Inlet, 3.00 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257089076

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257051038

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 2.00 in. Inlet, 1.50 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257051038

Not Yet Reviewed

Estimated Ship Date: Today

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PPE Tubing Couplers 515555003

5.5''- 5.0'' x 3.0'' L 6mm 5ply Reducer

Part Number: PPE-515555003

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2025 if ordered today

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Estimated Ship Date: Jun 23, 2025 if ordered today

Vortech Discharge Tube Sleeves 7PS300-250

Coupler, Reducer, 3 in to 2.5 in, Silicone, Black, Each

Part Number: VOR-7PS300250

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2025 if ordered today

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Estimated Ship Date: Jun 24, 2025 if ordered today

Boost Products USA Silicone Couplers 3257089080

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 3.50 in. Inlet, 3.13 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257089080

Not Yet Reviewed

Estimated Ship Date: Today

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Pacific Performance Engineering Silicone Tubing Couplers 515605005

Silicone Hose, Reducer, 6.0">5.0" ID, 5"L, 5mm 4ply, -76 to +437 deg F

Part Number: PPE-515605005

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257076060

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 3.00 in. Inlet, 2.38 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257076060

Not Yet Reviewed

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