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AP Exhaust Pipe Adapters

4.13 out of 5 stars 30 Customer Reviews

AP exhaust pipe adapters are recommended for connecting two pieces of tubing. They're also excellent for attaching exhaust components. AP Exhaust produces all components internally for excellent quality control and dimensional precision.

Features and benefits include:

* Available in aluminized material or stainless steel
* A wide range of styles and dimensions are available
* Offered for universal and direct-fit applications
* Excellent for custom work

Results 1 - 25 of 79

Exhaust Tubing, Exhaust Pipe Adapters, Reducer Type, Round, Steel, Aluminized, 4.000 in. O.D. To 3.000 in. I.D., 6.000 in. Length, Each

Part Number: APH-9722

4.0 out of 5 stars ( 2 )

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Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 3.000 in. I.D./4.000 in. I.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-8956

Not Yet Reviewed

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Exhaust Tubing, AP Exhaust Pipe Adapters, 8.00 in. Length, Steel, Aluminized, Ford, Each

Part Number: APH-9650

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Exhaust Tubing, Exhaust Pipe Adapters, Reducer Type, Round, Steel, Aluminized, 4.500 in. I.D. To 5.000 in. O.D., 6.000 in. Length, Each

Part Number: APH-9723

5.0 out of 5 stars ( 1 )

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Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 3.000 in. I.D./3.500 in. I.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-8955

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, AP Exhaust Pipe Adapters, Steel, Aluminized, 6.00 in. Length, 4.00 in. Outside Diameter, 6.00 Outside Diameter, Each

Part Number: APH-9720

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Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 4.000 in. O.D./5.000 in. I.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-8965

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Exhaust Tubing, Exhaust Pipe Adapters, Reducer Type, Round, Steel, Aluminized, 5.000 in. I.D. To 4.000 in. I.D., 8.000 in. Length, Each

Part Number: APH-8958

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Pipe Adapter, Steel, Aluminized, 6.00 in. to 6.00 in. Inlet/Outlet Diameter, 6 in. Length, Each

Part Number: APH-8979

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Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

Exhaust Tubing, AP Exhaust Pipe Adapters, 8.00 in. Length, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-9648

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 1.250 in. I.D./1.500 I.D. End Sizes, 4.000 in. Length, Each

Part Number: APH-8921

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Exhaust Tubing, AP Exhaust Pipe Adapters, 8.00 in. Length, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-9649

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 3.000 in. I.D./3.500 in. O.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-9333

5.0 out of 5 stars ( 2 )

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Exhaust Tubing, AP Exhaust Pipe Adapters, 1.625 in. Inside Diameter, 2.00 in. Outside Diameter, 4.00 in. Length, Each

Part Number: APH-8651

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Exhaust Tubing, AP Exhaust Pipe Adapters, 6.00 in. Outside Diameter, 5.00 in. Inside Diameter, 6.00 in. Length, Each

Part Number: APH-8969

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Exhaust Tubing, AP Exhaust Pipe Adapters, 1.50 in. Inside Diameter, 1.625 in. Inside Diameter, 4.00 in. Length, Each

Part Number: APH-8920

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 4.000 in. I.D./5.000 in. O.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-9331

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, Reducer, Steel, Aluminized, 4.00 in. OD to 3.50 in. ID, Each

Part Number: APH-9332

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Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 3.500 in. I.D./4.000 in. I.D. End Sizes, 8.000 in. Length, Each

Part Number: APH-8957

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Exhaust Tubing, AP Exhaust Pipe Adapters, 1.750 in. Outside Diameter, 2.00 in. Inside Diameter, 4.50 in. Length, Each

Part Number: APH-8936

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, AP Exhaust Pipe Adapters, 2.50 in. Inside Diameter, 2.00 in. Inside Diameter, 4.50 in. Length, Each

Part Number: APH-8947

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Exhaust Tubing, Exhaust Pipe Adapters, Reducer, Round, Steel, Aluminized, 3.000 in. O.D./3.500 in. I.D. End Sizes, 6.000 in. Length, Each

Part Number: APH-8962

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Exhaust Tubing, Pipe Adapters, Round, Reducer, Steel, Aluminized, 2.00 in. Length, 2.250 in. I.D./2.125 in. I.D. Size Ends, Ford, Mazda, Mercury, Each

Part Number: APH-7

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Exhaust Pipe Adapter, 1.750 in. Inlet, 1.625 in. Outlet, 2.000 in. Length, Steel, Aluminized, Each

Part Number: APH-11

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Exhaust Tubing, AP Exhaust Pipe Adapters, Steel, Aluminized, 5.00 in. Length, 1.750 in. Inside Diameter, 2.250 in. Outside Diameter, Each

Part Number: APH-8653

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today