2005 GMC ENVOY Mufflers & Resonators

Mufflers, MSL Maximum, Oval Case, Steel, Aluminized, 21.780 in. Overall Length, Rear Muffler, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: APH-700345

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each

Part Number: WLK-18915

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Resonator, Natural, Steel, Each

Part Number: WLK-55272

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 31.000 in. Overall Length, Buick, Chevy, GMC, Isuzu, Oldsmobile, Pontiac, L6, V6, Each

Part Number: WLK-17165

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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Mufflers, Direct-Fit, Single Inlet, 2.75 in. Single Outlet, Steel, Aluminized, Round Case, 60.00 in. Overall Length, Buick, Chevy, GMC, Isuzu, Each

Part Number: BRE-280-585

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Muffler, 2.50 in. Offset Inlet, 2.25 in. Center Outlet, 32.00 in. Overall Length, Oval, Reversible, Steel, Natural, Universal, Each

Part Number: BRE-101-1209

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Estimated Ship Date: Jan 16, 2026 if ordered today

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Mufflers, MSL Maximum, Steel, Aluminized, Perforated Tube, Oval Case, Front Muffler, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-700429

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-2405

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

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Mufflers, Direct-Fit, 2.50 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 40.00 in. Overall Length, Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Each

Part Number: BRE-100-5409

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Estimated Ship Date: Jan 15, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, Each

Part Number: APH-2406

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Estimated Ship Date: Jan 12, 2026 if ordered today

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Muffler, Quiet-Flow Series, 2.500 in., Inlet, 2.500 in. Outlet, Buick, Chevy, GMC, Olds, L6, Each

Part Number: WLK-21409

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 20, 2026 if ordered today

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