2004 GMC Flowmaster Parts and Accessories

Exhaust, American Thunder, CatBack, Steel, Aluminized, Pol. Tips, Chevy, GMC, Pickup, 4.8, 5.3L, Kit

Part Number: FLO-17395

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Muffler, Big Block 50 Series, Dual 3 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-530513

4.43 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/9/2026 if shipped by air

• Free Shipping

Muffler, 50 Series Heavy-Duty, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, 18 in. Case Length, Each

Part Number: FLO-853558

5.0 out of 5 stars ( 3 )

• Free Shipping

Muffler, Big Block, 50 Series, 3 1/2 in. Inlet/3 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-953558

4.44 out of 5 stars ( 9 )

• Free Shipping