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

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Individual Parts

Part Groups

Results 1 - 25 of 951

Boost Products USA Silicone Couplers 3259063051

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 2.50 in. Inlet, 2.00 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259063051

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Boost Products USA Silicone Couplers 3257045038

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 1.75 in. Inlet, 1.50 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257045038

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Boost Products USA Silicone Couplers 3259076063

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

Part Number: BPU-3259076063

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Boost Products USA Silicone Couplers 3254000320

Hose Tubing Coupler, 90 Degree Elbow, Silicone, Black, 1.25 in. Inlet, 1.25 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3254000320

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Boost Products USA Silicone Couplers 3256000760

Hose Tubing Coupler, 180 Degree Elbow, Silicone, Black, 3.00 in. Inlet, 3.00 in. Outlet, 4.75 in. Legs, Each

Part Number: BPU-3256000760

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Boost Products USA Silicone Couplers 3254000890

Hose Tubing Coupler, 90 Degree Elbow, Silicone, Black, 3.50 in. Inlet, 3.50 in. Outlet, 4.75 in. Legs, Each

Part Number: BPU-3254000890

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Boost Products USA Silicone Couplers 3257076063

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 3.00 in. Inlet, 2.50 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257076063

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Boost Products USA Silicone Couplers 3254000350

Hose Tubing Coupler, 90 Degree Elbow, Silicone, Black, 1.38 in. Inlet, 1.38 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3254000350

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Boost Products USA Silicone Couplers 3257063557

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 2.50 in. Inlet, 2.25 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257063557

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Boost Products USA Silicone Hump Couplers 3252200890

Tubing Coupler, Double Hump, 3.50 in.Inlet, 3.50 in. Outlet, 4.50 in. Length, Silicone, Black, Each

Part Number: BPU-3252200890

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Boost Products USA Silicone Couplers 3253000510

Hose Tubing Coupler, 45 Degree Elbow, Silicone, Black, 2.00 in. Inlet, 2.00 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3253000510

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Boost Products USA Silicone Couplers 3253000320

Hose Tubing Coupler, 45 Degree Elbow, Silicone, Black, 1.25 in. Inlet, 1.25 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3253000320

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Boost Products USA Silicone Couplers 3254000160

Hose Tubing Coupler, 90 Degree Elbow, Silicone, Black, 0.63 in. Inlet, 0.63 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3254000160

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Boost Products USA Silicone Couplers 3257051045

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

Part Number: BPU-3257051045

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Boost Products USA Silicone Couplers 3259102089

Hose Tubing Coupler, 90 Degree, Reducer, Silicone, Black, 4.00 in. Inlet, 3.50 in. Outlet, 4.75 in. Leg Length, Each

Part Number: BPU-3259102089

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Estimated Ship Date: Oct 20, 2025 if ordered today

Boost Products USA Silicone Couplers 3254000510

Hose Tubing Coupler, 90 Degree Elbow, Silicone, Black, 2.00 in. Inlet, 2.00 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3254000510

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Boost Products USA Silicone Couplers 3257038025

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

Part Number: BPU-3257038025

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Boost Products USA Silicone Couplers 3257060050

Hose Tubing Coupler, Straight, Reducer, Silicone, Black, 2.38 in. Inlet, 2.00 in. Outlet, 4.00 in. Length, Each

Part Number: BPU-3257060050

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Boost Products USA Silicone Couplers SIUNVB89B

Hose Tubing Coupler, Straight, Silicone, Blue, 3.50 in. Inlet, 3.50 in. Outlet, 3.00 in. Length, Each

Part Number: BPU-SIUNVB89B

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Boost Products USA Silicone Couplers 3253000250

Hose Tubing Coupler, 45 Degree Elbow, Silicone, Black, 1.00 in. Inlet, 1.00 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3253000250

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Boost Products USA Silicone Hump Couplers 3252000630

Tubing Coupler, Single Hump, 2.50 in.Inlet, 2.50 in. Outlet, 4.00 in. Length, Silicone, Black, Each

Part Number: BPU-3252000630

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Boost Products USA Silicone Hump Couplers 3252200630

Tubing Coupler, Double Hump, 2.50 in.Inlet, 2.50 in. Outlet, 4.50 in. Length, Silicone, Black, Each

Part Number: BPU-3252200630

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Boost Products USA Silicone Couplers 3277038032

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

Part Number: BPU-3277038032

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Boost Products USA Silicone Couplers SIUNVB51S

Hose Tubing Coupler, Straight, Silicone, Black, 2.00 in. Inlet, 2.00 in. Outlet, 3.00 in. Length, Each

Part Number: BPU-SIUNVB51S

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Boost Products USA Silicone Couplers 3255000450

Hose Tubing Coupler, 135 Degree Elbow, Silicone, Black, 1.75 in. Inlet, 1.75 in. Outlet, 4.00 in. Legs, Each

Part Number: BPU-3255000450

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