Availability
GMC Mufflers & Resonators
Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-842446
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Super 40 Series, Oval, Stainless, Offset 3.0 in. Inlet/Outlet, 13.5 in. Case Length, Each
Part Number: FLO-853048
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-8042441
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, 4 in. Inlet/4 in. Outlet, Stainless Steel, Each
Part Number: WLK-17225
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Each
Part Number: WLK-17513
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, 3 in. Inlet/3 in. Outlet, Stainless Steel, Each
Part Number: WLK-17547
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-842543
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Ultra Flo Welded, Oval, 4 in. Inlet/4 in. Outlet, Stainless Steel, Chevy, GMC/Hummer, Each
Part Number: WLK-17557
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Challenge, Steel, Aluminized, Chevy, GMC, Each
Part Number: APH-2589
Not Yet Reviewed
Estimated Ship Date: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Muffler, Delta Flow 40 Series, 3 in. Inlet/Dual 2 1/4 in. Outlet, Steel, Black, Each
Part Number: FLO-9430422
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Delta Flow 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Stainless Steel, Black, Each
Part Number: FLO-8430402
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 Upgrade, Apollo GT, 409 Stainless Steel, Natural, Perforated Core, 3 in. Inlet, 3 in. Outlet, Chevy, GMC, Each
Part Number: AFE-49C44137
Estimated Ship Date: Today
Estimated Ship Date: Today
Exhaust Muffler Delete Pipe, 409 Stainless Steel, 3 in., Chevy, GMC, Each
Part Number: AFE-49C44114NM
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Muffler, Delta Flow 50 Series, 2 1/2 in. Inlet/Dual 2 in. Outlet, Steel, Black, Each
Part Number: FLO-9425502
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
Muffler, Big Block II 70 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each
Part Number: FLO-53072
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, Heavy-Duty, Oval, Steel, Aluminized, 4.00 in. Offset Inlet/Outlet, 34.00 in. Overall Length, Each
Part Number: WLK-22004
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
Muffler, Super 40 Series, 3 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each
Part Number: FLO-9530452
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: Feb 24, 2026 if ordered today
Estimated Ship Date: Feb 24, 2026 if ordered today
Muffler, OE Replacement, Steel, Aluminized, Chevy, GMC, 6.0, 8.1L, Each
Part Number: APH-2525
Not Yet Reviewed
Estimated Ship Date: Feb 25, 2026 if ordered today
Estimated Ship Date: Feb 25, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Muffler, Super 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each
Part Number: FLO-952448
Not Yet Reviewed
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
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster