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AP Exhaust Flex Couplings

4.29 out of 5 stars 65 Customer Reviews

AP Exhaust flex couplings are stainless steel expansion joints designed for engine exhaust. They're constructed with 2-ply bellows and designed with a seamless, convoluted inner core—increasing flexibility in order to reduce vibrations and prevent exhaust leaks. The flex pipes are offered in a variety of lengths, diameters, and attachment styles.

Results 1 - 25 of 112

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

Part Number: APH-8851IB

5.0 out of 5 stars ( 1 )

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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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Exhaust Flex Couplings, 4 in. Overall Length, 3in. Inlet Diameter, Each

Part Number: APH-8826

3.5 out of 5 stars ( 4 )

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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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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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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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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 )

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Exhaust Flex Couplings, 10 in. Overall Length, 2.50 in. Inlet Diameter, Each

Part Number: APH-8848

2.0 out of 5 stars ( 1 )

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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

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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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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

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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: Feb 4, 2026 if ordered today

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Estimated Ship Date: Feb 4, 2026 if ordered today

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

Part Number: APH-8847

2.8 out of 5 stars ( 5 )

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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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Exhaust Flex Pipes, Exhaust Flex Couplings, Slip-on, 300 Series Stainless Steel with Inner Braid, 3.00 in. Inlet/Outlet, 12.00 in. Length, Each

Part Number: APH-8853IB

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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

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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

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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

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

Part Number: APH-8847IB

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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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Exhaust Flex Pipes, Exhaust Flex Couplings, Slip-on, 300 Series Stainless Steel without Inner Braid, 2.00 in. Inlet/Outlet, 8.00 in. Length, Each

Part Number: APH-8839

4.0 out of 5 stars ( 1 )

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Exhaust Flex Pipes, Exhaust Flex Couplings, Slip-on, 300 Series Stainless Steel without Inner Braid, 2.50 in. Inlet/Outlet, 14.00 in. Length, Each

Part Number: APH-8850

5.0 out of 5 stars ( 2 )

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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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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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