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 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 ( 2 )

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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 )

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AP Exhaust 3 Inch Flex Couplings 8852

Exhaust Flex Couplings, 10 in. Overall Length, 3 in. Inlet Diameter, Each

Part Number: APH-8852

5.0 out of 5 stars ( 2 )

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AP Exhaust 3 Inch Flex Couplings 8851

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

Part Number: APH-8851

4.0 out of 5 stars ( 7 )

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AP Exhaust 2.02 Inch Flex Couplings 8814IB

Exhaust Flex Pipes, Exhaust Flex Couplings, Weld-on, 300 Series Stainless Steel with Inner Braid, 2.02 in. Inlet/Outlet, 4.00 in. Length, Each

Part Number: APH-8814IB

Not Yet Reviewed

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AP Exhaust 2 Inch Flex Couplings 8841

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 2.000 in. I.D., 2.000 in. O.D., 12.00 in. Length, Each

Part Number: APH-8841

5.0 out of 5 stars ( 1 )

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AP Exhaust 2 Inch Flex Couplings 8840

Exhaust Flex Couplings, 10 in. Overall Length, 2 in. Inlet/Outlet Diameter, No Inner Braid, 300 Series Stainless Steel, Natural, Each

Part Number: APH-8840

5.0 out of 5 stars ( 1 )

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AP Exhaust 2.25 Inch Flex Couplings 8845

Exhaust Flex Pipes, Exhaust Flex Couplings, Slip-on, 300 Series Stainless Steel without Inner Braid, 2.25 in. Inlet/Outlet, 12.00 in. Length, Each

Part Number: APH-8845

4.33 out of 5 stars ( 3 )

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AP Exhaust 3 Inch Flex Couplings 8852IB

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 3.000 in. I.D., 3.000 in. O.D., 10.00 in. Length, Each

Part Number: APH-8852IB

4.0 out of 5 stars ( 6 )

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AP Exhaust 2.02 Inch Flex Couplings FT20004N

2" Core, 2" Necks, 8" OAL w/Inner Braid

Part Number: APH-FT20004N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

AP Exhaust 2.25 Inch Flex Couplings 8843

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 2.250 in. I.D., 2.250 in. O.D., 8.00 in. Length, Each

Part Number: APH-8843

Not Yet Reviewed

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AP Exhaust 2.27 Inch Flex Couplings 8820IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.27 in. Diameter Inlet/Outlet, 8.00 in. Overall Length, Weld-On, Each

Part Number: APH-8820IB

Not Yet Reviewed

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AP Exhaust 2.02 Inch Flex Couplings 8816IB

Exhaust Flex Pipes, Exhaust Flex Couplings, Stainless Steel, Natural, Weld-on, 2.02 in. Inlet/Outlet Diameter, 8.00 in. Overall Length, Each

Part Number: APH-8816IB

Not Yet Reviewed

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AP Exhaust 2.25 Inch Flex Couplings 8844

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 2.250 in. I.D., 2.250 in. O.D., 10.00 in. Length, Each

Part Number: APH-8844

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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AP Exhaust 2.5 Inch Flex Couplings 8847IB

Exhaust Flex Couplings, 8 in. Overall Length, 2.50 in. Inlet Diameter, Each

Part Number: APH-8847IB

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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AP Exhaust 2.27 Inch Flex Couplings 8818IB

Exhaust Flex Pipes, Exhaust Flex Couplings, Weld-on, 300 Series Stainless Steel with Inner Braid, 2.27 in. Inlet/Outlet, 4.00 in. Length, Each

Part Number: APH-8818IB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2.5 Inch Flex Couplings 8847

Exhaust Flex Couplings, 8 in. Overall Length, 2.50 in. Inlet Diameter, Each

Part Number: APH-8847

2.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2 Inch Flex Couplings 8841IB

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.00 in. Diameter Inlet/Outlet, 12.00 in. Overall Length, Slip-On, Each

Part Number: APH-8841IB

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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AP Exhaust 3 Inch Flex Couplings 8854

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 3.000 in. I.D., 3.000 in. O.D., 14.00 in. Length, Each

Part Number: APH-8854

4.67 out of 5 stars ( 3 )

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 )

Estimated Ship Date: Tomorrow

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AP Exhaust 1.75 Inch Flex Couplings 8837

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 1.75 in. Diameter Inlet/Outlet, 12.00 in. Overall Length, Slip-On, Each

Part Number: APH-8837

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

AP Exhaust 2 Inch Flex Couplings 8842

Exhaust Flex Pipes, AP Exhaust Flex Couplings, 2.0 in. Inlet Diameter, 2.0 in Outlet Diameter, 14.00 in. Overall Length, Stainless Steel, Each

Part Number: APH-8842

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

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

Not Yet Reviewed

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AP Exhaust 2.5 Inch Flex Couplings 8849IB

Exhaust Flex Pipes, Flex Couplings, Stainless Steel, 2.500 in. I.D., 2.500 in. O.D., 12.00 in. Length, Each

Part Number: APH-8849IB

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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AP Exhaust 2.27 Inch Flex Couplings FT22506N

Exhaust Flex Pipes, Exhaust Flex Couplings, Slip-on, 200 Series Stainless Steel with Inner Braid, 2.27 in. Inlet/Outlet, 10.0 in. Overall Length, Each

Part Number: APH-FT22506N

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

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