Availability
2004 Mufflers
Showing In Stock Items. Show All 36 Items.
Mufflers, FlowFX, Oval Case, Stainless Steel, Natural, Dual 3.00 in. Center Inlet/Dual 3.00 in. Center Outlet, 24.000 in. Overall Length, Each
Part Number: FLO-72469
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-X503
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-530513
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Super 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Steel, Black, Aluminized, Each
Part Number: FLO-524553
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Big Block 50 Series, Dual 2 3/4 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-527504
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Big Block II 70 Series, Dual 2 1/4 in. Inlet/3 in. Outlet, Steel, Black, Each
Part Number: FLO-524703
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Big Block 50 Series, Dual 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-530504
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, SUV 50 Series, Dual 2 1/4 in. Inlet/ 3 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-8524553
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Xlerator Performance, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-X504
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Quiet-Flow 3, 2 1/2 in. Inlet/3 in. Outlet, Steel, Aluminized, Chevy, GMC, Pickup, Each
Part Number: WLK-21533
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 21.25 in. Overall Length, Chrysler, Dodge, Each
Part Number: WLK-18925
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 22.000 in. Overall Length, Cadillac, 3.6L, Each
Part Number: WLK-21532
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 6.0L, Each
Part Number: APH-2579
Not Yet Reviewed
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Mufflers, Quiet-Flow SS, Stainless Steel, Aluminized, 28.000 in. Overall Length, Cadillac, GMC, Hummer, Each
Part Number: WLK-21431
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-2525
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
Mufflers-Quiet-Flow
Part Number: WLK-22307
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Muffler, Quiet-Flow SS, Oval, Stainless Steel, Natural, Two 2.25 in. Inlets, Infiniti, Nissan, 5.6L, Each
Part Number: WLK-56189
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel Inch Muffler 60001
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026
Mufflers, Direct-Fit, 2.50 in. Dual Inlet, 3.00 in. Single Outlet, Steel, Aluminized, Oval Case, 28.00 in. Overall Length, Chevrolet, GMC, Each
Part Number: BRE-100-7217
Not Yet Reviewed
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Estimated Ship Date: Monday 3/30/2026 if shipped by air
Walker Quiet-Flow SS Muffler Assembly
Part Number: WLK-54377
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 21.25 in. Overall Length, Chrysler, Dodge, Each
Part Number: WLK-18926
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust MSL Maximum Steel 2.25 Inch Muffler 700328
Not Yet Reviewed
Estimated Ship Date: Apr 16, 2026
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 4.8, 6.0L, Each
Part Number: APH-2578
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chrysler, Dodge, Each
Part Number: APH-2271
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chrysler, Dodge, Each
Part Number: APH-2269
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026 if ordered today
Estimated Ship Date: Apr 14, 2026 if ordered today
Walker Quiet-Flow SS Muffler
Part Number: WLK-21551
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
AP Exhaust OE Replacement Steel 3 Inch Muffler 2578
Not Yet Reviewed
Estimated Ship Date: Apr 14, 2026
Muffler, TruckEx, Round, 2.50 in. Dual Inlet, 3.00 in. Center Outlet, Each
Part Number: APH-4237
Not Yet Reviewed
Estimated Ship Date: Apr 15, 2026 if ordered today
Estimated Ship Date: Apr 15, 2026 if ordered today
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