GMC SIERRA 2500 HD AP Exhaust Mufflers

Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X503

3.5 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Muffler, MSL, Oval, Baffled, Steel, Aluminized, 3.00 in. Inlets/3.50 in. Outlets, 28.25 in. Overall Length, Each

Part Number: APH-700488

3.57 out of 5 stars ( 7 )

Estimated Ship Date: Today

Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-2525

Not Yet Reviewed

Estimated Ship Date: Dec 23, 2025 if ordered today

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Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each

Part Number: APH-X504

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Muffler, Challenge, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-2589

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Mufflers, Muffler - CHALLENGE

Part Number: APH-2644

Not Yet Reviewed

Estimated Ship Date: Dec 22, 2025 if ordered today

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Muffler, TruckEx, Steel, Aluminized, Chevy, GMC, Each

Part Number: APH-3894

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Estimated Ship Date: Today