Availability
GMC SIERRA 3500 HD Mufflers
Showing In Stock Items. Show All 14 Items.
Muffler, Super 40 Series Delta Flow, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, Chevy, Ford, Ram
Part Number: FLO-853548
Estimated Ship Date: Today
Estimated Ship Date: Today
Muffler, FlowFX, 3.50 in. Inlet, 3.50 in. Outlet, 409 Stainless Steel, Natural, Center Inlet, Center Outlet, Chevy, GMC, 6.6L/401 Engine, Each
Part Number: FLO-718155
Estimated Ship Date: Dec 7, 2026 if ordered today
Estimated Ship Date: Dec 7, 2026 if ordered today
Muffler, Quiet-Flow, Round, Steel, Aluminized, Chevy, GMC, Each
Part Number: WLK-21753
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
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 1, 2026 if ordered today
Estimated Ship Date: Dec 1, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Mufflers, Direct-Fit, 3.50 in. Inlet/Outlet, Steel, Aluminized, Oval Case, 31.00 in. Overall Length, Chevrolet, GMC, Each
Part Number: BRE-100-7279
Not Yet Reviewed
Estimated Ship Date: Jan 7, 2027 if ordered today
Estimated Ship Date: Jan 7, 2027 if ordered today
Mufflers, AP Exhaust Challenge Mufflers, Steel, Baffled, Oval Case, Offset Inlet/Outlet, GMC, Chevrolet, Each
Part Number: APH-2644
Not Yet Reviewed
Estimated Ship Date: Dec 2, 2026 if ordered today
Estimated Ship Date: Dec 2, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster