Availability
2004 GMC Mufflers & Resonators
Muffler, Salute, Oval, 3.000 in. Inlet/Two 2.500 in. Outlet, Stainless Steel, Natural, Each
Part Number: IMM-SA2198
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Vortex, 3.000 in. Inlet/3.000 in. Outlet, Steel, Gray Aluminized, Each
Part Number: IMM-88105CB
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers-Quiet-Flow
Part Number: WLK-22307
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Each
Part Number: WLK-17228
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each
Part Number: WLK-21431
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Direct Fit SoundFX, Steel, Aluminized, 29.000 in. Overall Length, Chevy, GMC, Each
Part Number: WLK-18823
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super Turbo, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each
Part Number: WLK-17758
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 6.0L, Each
Part Number: APH-2579
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.50 in. Inlet/2.25 in. Outlet, Each
Part Number: WLK-18112
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, 24 in. Length, Chevy, GMC, Each
Part Number: WLK-21481
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Quiet-Flow 3, 2.625 in. Inlet/Outlet, Steel, Aluminized, Chevy, GMC, Each
Part Number: WLK-21423
Estimated Ship Date: Today
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: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each
Part Number: SUM-638011
Estimated Ship Date: Today
Estimated Ship Date: Today
Mufflers, Direct Fit SoundFX, Steel, Aluminized, 28.000 in. Overall Length, Cadillac, Chevy, GMC, Each
Part Number: WLK-18957
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, MSL, Chevy, Dodge, GMC, Isuzu, Oldsmobile, Each
Part Number: APH-700020
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 2.50 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Cadillac, GMC, Hummer, Each
Part Number: BRE-100-7179
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Muffler, Quiet-Flow, Oval, Steel, Aluminized, 3.00 in. Offset Inlet/Outlet, 27.00 in. Overall Length, Each
Part Number: WLK-21522
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, V6, V8, Each
Part Number: APH-XS2288
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Muffler, Salute, Oval, 3.000 in. Inlet/Two 3.000 in. Outlet, Stainless Steel, Natural, Each
Part Number: IMM-SA2298
Not Yet Reviewed
Estimated Ship Date: Mar 19, 2026 if ordered today
Estimated Ship Date: Mar 19, 2026 if ordered today
Muffler, SoundFX, Oval, Steel, Aluminized, Buick, Chevy, GMC, Isuzu, Oldsmobile, 4.2L, Each
Part Number: WLK-18915
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Tru-Fit Series, Steel, Aluminized, 2.75 in. Inlet/2.75 in. Outlet, Each
Part Number: WLK-18138
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, Dodge, GMC, V6, V8, Each
Part Number: APH-XS2278
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Resonator, Natural, Steel, Each
Part Number: WLK-55272
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Quiet-Flow 3, 3 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Chevy, GMC, Astro, Safari,
Part Number: WLK-21391
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Muffler, Quiet-Flow 3, 2 3/4 in. Inlet/2 3/4 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each
Part Number: WLK-21356
Estimated Ship Date: Today
Estimated Ship Date: Today
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