Exhaust Flex Pipes

An exhaust flex pipe adds needed flexibility to your exhaust system, allowing it to bend instead of cracking and breaking. Also called flex joints or exhaust bellows,...

An exhaust flex pipe adds needed flexibility to your exhaust system, allowing it to bend instead of cracking and breaking. Also called flex joints or exhaust bellows, they’re an essential component of front wheel drive vehicles to absorb the rocking motions of the engine, They’re handy for custom exhaust builds, as well as competition vehicles that run hot and wild.

Flex pipes are usually found between the exhaust manifold and the down pipe. They can be as simple as a corrugated metal tube, or as complex as a multi-layer braided or woven metal lattice. Because they protect so many other parts, flex pipes tend to wear out more quickly than other exhaust components, and should be checked for leaks regularly on high-performance vehicles.

Summit Racing Equipment carries exhaust flex pipes in all the popular exhaust pipe diameters. Choose a convenient 4" to 14" length for sectioning into an existing system, or in bulk coil lengths for big custom fabrication projects.

Top Brands

For everything from repairs and stock replacement flex joints, to extreme custom exhausts for hardcore racing, Summit has you covered with parts from trusted manufacturers. Shop from exhaust brands like Walker, Jones Exhaust, Vibrant Performance, Stainless Works, Dorman, and more.

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AP Exhaust 1.5 Inch Flex Tubing 8864

AP Exhaust 1.5 Inch Flex Tubing 8864

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Galvanized Steel, 1.50 in. Inlet/Outlet Diameter, 25.00 ft. Overall Length, Each

Part Number: APH-8864

5.0 out of 5 stars ( 4 )

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AP Exhaust 3 Inch Flex Tubing 8885

Exhaust Flex Tubing, Stainless Steel,10 ft. Length, 3 in. Inlet Diameter, Each

Part Number: APH-8885

5.0 out of 5 stars ( 3 )

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AP Exhaust 1.25 Inch Flex Tubing 8862

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Galvanized Steel, 1.25 in. Inlet/Outlet Diameter, 25.00 ft. Overall Length, Each

Part Number: APH-8862

5.0 out of 5 stars ( 3 )

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AP Exhaust 4 Inch Flex Tubing 9728

Exhaust Flex Pipes, Bellows Pipe, 4.00 in. Slip-on Inlet/Outlet, Stainless Steel, 12.00 in. Overall Length, Each

Part Number: APH-9728

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AP Exhaust 5 Inch Flex Tubing 9729

Exhaust Flex Pipes, Stainless Tubing, Stainless Steel, 5.000 in. I.D., 5.000 in. O.D., 12.00 in. Length, Each

Part Number: APH-9729

5.0 out of 5 stars ( 1 )

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AP Exhaust 1 Inch Flex Tubing 8860

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Galvanized Steel, 1.00 in. Inlet/Outlet Diameter, 25.00 ft. Overall Length, Each

Part Number: APH-8860

5.0 out of 5 stars ( 5 )

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AP Exhaust 2.5 Inch Flex Tubing 8985

Exhaust Pipe Adapter, Steel, Aluminized, 2.50 in. Intlet/Outlet Diameter 10 ft. Length, Each

Part Number: APH-8985

5.0 out of 5 stars ( 2 )

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AP Exhaust 5 Inch Flex Tubing 8888

Exhaust Flex Pipes, AP Exhaust Flex Tubing, 5.00 in. Diameter, Stainless Steel, 10.00 ft. Length, Each

Part Number: APH-8888

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

AP Exhaust 3 Inch Flex Tubing 8982

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Stainless Steel, 3.00 in. Inlet/Outlet Diameter, 25.00 ft. Overall Length, Each

Part Number: APH-8982

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AP Exhaust 2.52 Inch Flex Couplings 8824IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.52 in. Diameter Inlet/Outlet, 8.00 in. Overall Length, Weld-On, Each

Part Number: APH-8824IB

5.0 out of 5 stars ( 1 )

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AP Exhaust 3.5 Inch Flex Tubing 8983

Exhaust Flex Pipes, AP Exhaust Flex Tubing, 3.50 in. Diameter, Stainless Steel, 25 ft. Length, Each

Part Number: APH-8983

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AP Exhaust 6 Inch Flex Tubing 8895

Exhaust Flex Pipes, AP Exhaust Flex Tubing, 6.00 in. Diameter, Stainless Steel, 10.00 ft. Length, Each

Part Number: APH-8895

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

AP Exhaust 1.77 Inch Flex Couplings 8811IB

Exhaust Flex Pipes, AP Exhaust Flex Couplers, 1.77 in. Diameter Inlet/Outlet, 6.00 in. Overall Length, Weld On, Each

Part Number: APH-8811IB

Not Yet Reviewed

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AP Exhaust 2.02 Inch Flex Couplings 8815

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.02 in. Diameter Inlet/Outlet, 6.00 in. Overall Length, Weld-On, Each

Part Number: APH-8815

Not Yet Reviewed

Estimated Ship Date: Jan 29, 2026 if ordered today

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Estimated Ship Date: Jan 29, 2026 if ordered today

AP Exhaust 3 Inch Flex Couplings 8851IB

Exhaust Flex Couplings, 8 in. Overall Length, 3 in. Inlet Diameter, Each

Part Number: APH-8851IB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2.5 Inch Flex Couplings 8849

Exhaust Flex Couplings, 12 in. Overall Length, 2.50 in. Inlet Diameter, Each

Part Number: APH-8849

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2.52 Inch Flex Couplings 8822IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.52 in. Diameter Inlet/Outlet, 4.00 in. Overall Length, Weld-On, Each

Part Number: APH-8822IB

5.0 out of 5 stars ( 1 )

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AP Exhaust 3 Inch Flex Couplings 8853

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 3.00 in. Diameter Inlet/Outlet, 12.00 in. Overall Length, Slip-on, Each

Part Number: APH-8853

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AP Exhaust 3 Inch Flex Tubing 8986

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Galvanized Steel, Heavy-duty Thickness, 3.00 in. Inlet/Outlet Diameter, 10 ft. Overall Length, Each

Part Number: APH-8986

5.0 out of 5 stars ( 2 )

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AP Exhaust 2 Inch Flex Tubing 8868

Exhaust Flex Pipes, Exhaust Flex Tubing, Slip-on, Galvanized Steel, 2.00 in. Inlet/Outlet Diameter, 25.00 ft. Overall Length, Each

Part Number: APH-8868

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AP Exhaust 2.27 Inch Flex Couplings FT22504B

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.27 in. Diameter Inlet/Outlet, 4.00 in. Overall Length, Weld-On, Stainless Steel, Each

Part Number: APH-FT22504B

Not Yet Reviewed

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AP Exhaust 4 Inch Flex Tubing 8887

Exhaust Flex Pipes, AP Exhaust Flex Tubing, 4.00 in. Diameter, Stainless Steel, 10.00 ft. Length, Each

Part Number: APH-8887

Not Yet Reviewed

Estimated Ship Date: Jan 28, 2026 if ordered today

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Estimated Ship Date: Jan 28, 2026 if ordered today

AP Exhaust 3.5 Inch Flex Tubing 8881

Exhaust Flex Pipes, AP Exhaust Flex Tubing, 3.50 in. Diameter, Galvinized Steel, 25.00 ft. Length, Each

Part Number: APH-8881

Not Yet Reviewed

Estimated Ship Date: Jan 30, 2026 if ordered today

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Estimated Ship Date: Jan 30, 2026 if ordered today

AP Exhaust 2.25 Inch Flex Couplings 8844IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.25 in. Diameter Inlet/Outlet, 10.00 in. Overall Length, Slip-On, Each

Part Number: APH-8844IB

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2.27 Inch Flex Couplings 8819IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.27 in. Diameter Inlet/Outlet, 6.00 in. Overall Length, Weld-On, Each

Part Number: APH-8819IB

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