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Tubing Couplers

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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 248

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 4.00 in. Inlet, 3.50 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258102089

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: BPU-3259019013

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Estimated Ship Date: Today

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Hose Tubing Coupler, 45 Degree, Silicone, Blue, 3.25 in. Inlet, 3.25 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3273000830

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 2.00 in. Inlet, 1.75 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259051045

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 2.50 in. Inlet, 2.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258063051

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 2.50 in. Inlet, 2.25 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259063557

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: BPU-3259057051

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 3.50 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258089076

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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

Part Number: BPU-3259038035

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 1.75 in. Inlet, 1.38 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259045035

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 1.75 in. Inlet, 1.38 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258045035

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 0.75 in. Inlet, 0.63 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259019016

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

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

Part Number: BPU-3273000320

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Silicone, Blue, 3.25 in. Inlet, 3.25 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3274000830

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer. Silicone, Blue, 4.00 in. Inlet, 3.50 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3278102089

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 1.25 in. Inlet, 0.75 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3259032019

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 3.00 in. Inlet, 2.38 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258076060

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 0.75 in. Inlet, 0.63 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258019016

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 2.25 in. Inlet, 2.00 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258057051

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 2.38 in. Inlet, 2.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3258060051

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Estimated Ship Date: Today

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Estimated Ship Date: Today

Hose Tubing Coupler, 90 Degree, Reducer. Silicone, Blue, 3.00 in. Inlet, 2.50 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3279076063

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 3.13 in. Inlet, 3.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259080076

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 135 Degree, Silicone, Blue, 0.88 in. Inlet, 0.88 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3275000220

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 0.63 in. Inlet, 0.50 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258016013

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Hose Tubing Coupler, 45 Degree, Reducer, Silicone, Black, 0.88 in. Inlet, 0.75 in. Outlet, 4.00 in. Leg Length, Each

Part Number: BPU-3258022019

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today