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 248

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 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 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 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: 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 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: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 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: May 9, 2025 if ordered today

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Estimated Ship Date: May 9, 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: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Dayco Gold Label Heavy-Duty Hump Hose/Reducer Sleeves 78619GL

Dayco Gold Label Heavy-Duty Hump Hose/Reducer Sleeves 78619GL

Tubing Coupler, Rubber, Black, Hump, 5.492 in. Inlet., 5.492 in. Outlet, Each

Part Number: DAC-78619GL

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2025 if ordered today

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Estimated Ship Date: Apr 28, 2025 if ordered today

DC Sports Silicone Couplers DCCP300-325

DC Sports 3.25"-3" Silicone Reducing Coupler

Part Number: DCS-DCCP300-325

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today

DC Sports Silicone Couplers DCCP250-275

DC Sports 2.75" -2.5" Silicone Reducing Coupler

Part Number: DCS-DCCP250-275

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today

Spectre Performance Couplers 9746

Air Intake Tube Coupler; Air Intake Reducer Coupler; Blue; Connects 4 in. Dia. Intake Tube To 3.5 in. Dia. Com

Part Number: SPE-9746

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Boost Products USA Silicone Couplers 3257102089

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

Part Number: BPU-3257102089

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257063051

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 2.50 in. Inlet, 2.00 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257063051

Not Yet Reviewed

Estimated Ship Date: Today

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Pacific Performance Engineering Silicone Tubing Couplers 515604003

6.0" > 4.0" x 3" L 6mm 5Ply Reducer

Part Number: PPE-515604003

Not Yet Reviewed

Estimated Ship Date: Today

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Vibrant Performance Multi-Ply Aramid Reinforced Silicone Connectors 19740

Hose Coupler Silicone 4ply Aramid Reinforced Straight Reducer Transition 4.50 in. Inlet I.D. 3.00 in. Outlet I.D. 3.00 in. Black each

Part Number: VPE-19740

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Vibrant Performance Reinforced Silicone Hose Couplers 2775

Silicone Reducer, Straight, Black, 3.0 in. x 4.0 in. Diameters, 3.0 in. Length, Each

Part Number: VPE-2775

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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AEM Induction Coupling Adapters 5-273

Tubing Coupler, Reducer, Straight, Rubber, Black, 2.750 in. Inlet, 3.000 in. Outlet, 3.000 in. Length, Each

Part Number: AIS-5-273

Not Yet Reviewed

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Boost Products USA Silicone Couplers 3257040035

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 1.63 in. Inlet, 1.38 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257040035

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257089063

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 3.50 in. Inlet, 2.50 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257089063

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257070063

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 2.75 in. Inlet, 2.50 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257070063

Not Yet Reviewed

Estimated Ship Date: Today

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Boost Products USA Silicone Couplers 3257102076

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

Part Number: BPU-3257102076

Not Yet Reviewed

Estimated Ship Date: Today

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