1964 Flowmaster Mufflers

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

Part Number: FLO-42441

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: FLO-71236

4.8 out of 5 stars ( 25 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Muffler, FlowFX Series, 2.25 in. Offset Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Each

Part Number: FLO-71225

4.58 out of 5 stars ( 26 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Muffler, Super 10 Series, 3.0 in. Inlet/3.0 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-843016

4.91 out of 5 stars ( 23 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: FLO-842516

4.96 out of 5 stars ( 23 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air