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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.

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.

Individual Parts

Results 1 - 25 of 249

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 4.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259102076

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Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 3.00 in. Inlet, 2.50 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258076063

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Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 4.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258102076

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 180 Degree, Silicone, Blue, 1.00 in. Inlet, 1.00 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3276000250

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Silicone, Blue, 2.56 in. Inlet, 2.56 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3273000650

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 1.00 in. Inlet, 0.75 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258025019

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Hose Tubing Coupler, 90 Degree, Reducer. Silicone, Blue, 1.50 in. Inlet, 1.38 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3279038035

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 135 Degree, Silicone, Blue, 1.25 in. Inlet, 1.25 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3275000320

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer. Silicone, Blue, 1.25 in. Inlet, 1.13 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3278032028

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer. Silicone, Blue, 4.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3279102076

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 1.50 in. Inlet, 1.00 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259038025

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 3.50 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259089076

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer. Silicone, Blue, 1.50 in. Inlet, 1.00 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3278038025

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Silicone, Blue, 3.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3274000760

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 1.50 in. Inlet, 1.38 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258038035

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Silicone, Blue, 4.00 in. Inlet, 4.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3274001020

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer. Silicone, Blue, 0.75 in. Inlet, 0.50 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3279019013

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer. Silicone, Blue, 1.00 in. Inlet, 0.75 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3278025019

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 0.88 in. Inlet, 0.63 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258022016

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Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 0.63 in. Inlet, 0.50 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259016013

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Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Hose Tubing Coupler, 180 Degree, Silicone, Blue, 3.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3276000760

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Silicone, Blue, 2.25 in. Inlet, 2.25 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3273000570

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Silicone, Blue, 0.63 in. Inlet, 0.63 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3274000160

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer. Silicone, Blue, 2.25 in. Inlet, 2.00 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3279057051

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 1.88 in. Inlet, 1.18 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258048030

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Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today