1974 Mufflers & Resonators

Muffler, American Thunder 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Aluminized Steel, Black, Each

Part Number: FLO-42443

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Muffler, Super 44 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842546

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942041

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Glasspack, 2.500 in. Inlet/2.500 in. Outlet, Steel, Red, Each

Part Number: IMM-87522CB

4.49 out of 5 stars ( 96 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Muffler, 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-8042543

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 10 Series, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842518

4.82 out of 5 stars ( 33 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Muffler, Delta Flow 40 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943043

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942543

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, ATAK CrateMuffler, Oval, Stainless Steel, Natural, 2.25 in. Offset Inlet, 2.25 in. Center Outlet, Chevy, Each

Part Number: BOR-400850

Not Yet Reviewed

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842541

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 44 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943048

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, 80 Series, Crossflow, Internal Chamber, Dual Style, 2 1/2 in. Inlet/Outlet Each End, 18 x 9 3/4 x 4 in. Oval Case, Steel, Black, GM, Each

Part Number: FLO-42582

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 50 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Each

Part Number: FLO-943053

4.63 out of 5 stars ( 24 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 40 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-952548

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, FlowFX Series, 3 in. Inlet/2.5 in. Outlets, Stainless Steel, Natural, Each

Part Number: FLO-72198

4.29 out of 5 stars ( 14 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

Muffler, Big Block II 70 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-52573

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 44 Series, 2.25 in. Inlet/2.25 in. Outlet, Steel, Black, Each

Part Number: FLO-942448

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, 80 Series, Crossflow, 409 Stainless Steel, Single 2.5 in. Offset Inlet, Dual 2.5 in. Offset Outlets, Each

Part Number: FLO-842583

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 40 Series, Oval, Stainless, Single Center 3.0 in. Inlet, Dual Offset 2.5 in. Outlets, Each

Part Number: FLO-8530452

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-12418409

4.75 out of 5 stars ( 16 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 40 Series, 2 in. Inlet/2 in. Outlet, Steel, Black, Each

Part Number: FLO-942043

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942453

4.91 out of 5 stars ( 11 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Delta Flow 40 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942441

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Muffler, Super 44 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842446

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air

• Free Shipping

Mufflers, M-80, Round Case, Steel, Red Powdercoated, Single 2.50 in. Center Inlet/Outlet, 19.000 in. Overall Length, Each

Part Number: IMM-M80250

4.75 out of 5 stars ( 12 )

Estimated Ship Date: Monday 2/16/2026 if shipped by air