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Flowmaster FlowFX Mufflers

4.71 out of 5 stars 391 Customer Reviews

Flowmaster FlowFX mufflers feature mandrel-bent bright stainless steel tubing, mated to specially designed straight-through for great sound and maximum performance. FlowFX 409 stainless steel mufflers deliver a moderate to aggressive interior and exterior sound level that will appeal to anyone looking for a deep, powerful exhaust note.

Results 1 - 9 of 9

Muffler, FlowFX Series, 2.5 in. Inlet, 2.5 in. Outlet, 409 Stainless Steel, Natural Finish, Each

Part Number: FLO-71226

4.8 out of 5 stars ( 74 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Muffler, FlowFX Series, Round, 3.0 in. Inlet, 3.0 in. Outlet, 409 Stainless Steel, Natural Finish, Each

Part Number: FLO-72619

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Muffler, FlowFX, 409 Stainless Steel, Natural, 3 in. Inlet, 2.25 in. Outlet, 39.330 in. Overall Length, Dodge, Ram, Each

Part Number: FLO-717835

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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

Part Number: FLO-71235

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Muffler, Direct-fit Muffler, 409 Stainless Steel, Oval, 3.00 in. Inlet/Outlet, FlowFX, Ram, Each

Part Number: FLO-717847

4.38 out of 5 stars ( 16 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Muffler, FlowFX Series, Oval, 2.5 in. Inlet, Dual 2.5 in. Outlet, 409 Stainless Steel, Natural Finish, Each

Part Number: FLO-72206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

Muffler, FlowFX, Stainless Steel, Natural, Oval, 3.50 in. Center Inlet, 2.50 in. Dual Outlets, 18.00 in. Case Length, Ford, GMC, Ram, Each

Part Number: FLO-72587

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

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Estimated Ship Date: Monday 11/24/2025

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