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Flowmaster High-Flow Performance Mufflers

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing...

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting...

Equip your ride with Flowmaster performance mufflers, a proven choice for classic and modern muscle cars, street rods, heavy-duty towing, and high-performance racing applications. Designed for unrestricted exhaust flow, the mufflers deliver real performance gains along with the muscular sound Flowmaster is known for. Multiple high-flow internal designs—including chambered mufflers, exclusive laminar-flow technology, straight-through performance mufflers, and race mufflers—make it easy to outfit your ride with the sound and performance you want. Built from MIG-welded aluminized steel or stainless steel for long-lasting durability, Flowmaster mufflers are available in a wide range of inlet and outlet locations, dimensions, and case configurations. Shop the entire selection of Flowmaster performance mufflers at Summit Racing today.

Individual Parts

Results 1 - 25 of 238

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

Part Number: FLO-42541

4.74 out of 5 stars ( 86 )

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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 ( 75 )

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

Part Number: FLO-71416

4.75 out of 5 stars ( 63 )

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

Part Number: FLO-942551

4.84 out of 5 stars ( 37 )

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Muffler, Flowmaster 40 Series, 3 in. Offset Inlet/3 in. Center Outlet, Steel, Black, Each

Part Number: FLO-43041

4.83 out of 5 stars ( 47 )

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Muffler, FlowFX Series, 3 in. Offset Inlet/3 in. Center Outlet, Reversible, Stainless Steel, Natural, Each

Part Number: FLO-71229

4.6 out of 5 stars ( 70 )

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Muffler, Stainless Steel, Black, 2.5 in. Inlet/Outlet, 17 in. Length, 4 in. Thick, Each

Part Number: FLO-12512409

4.85 out of 5 stars ( 20 )

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Mufflers, FlowFX, Round Case, Stainless Steel, Natural, Single 3.00 in. Center Inlet/Outlet, 20.000 in. Overall Length, Each

Part Number: FLO-71419

4.76 out of 5 stars ( 38 )

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

Part Number: FLO-42543

4.9 out of 5 stars ( 42 )

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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 )

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

Part Number: FLO-842553

4.63 out of 5 stars ( 19 )

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

Part Number: FLO-843015

4.87 out of 5 stars ( 69 )

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

Part Number: FLO-842515

4.85 out of 5 stars ( 111 )

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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 )

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

Part Number: FLO-942546

4.65 out of 5 stars ( 52 )

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

Part Number: FLO-942545

4.66 out of 5 stars ( 53 )

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

Part Number: FLO-943050

4.48 out of 5 stars ( 40 )

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Muffler, 40 Series, 2.5 in. Inlet/Outlet, Center Inlet, Offset Outlet, Aluminized Steel, Black, Each

Part Number: FLO-42542

5.0 out of 5 stars ( 14 )

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

Part Number: FLO-842551

4.52 out of 5 stars ( 23 )

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

Part Number: FLO-953045

5.0 out of 5 stars ( 13 )

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Muffler, Oval, Stainless, Natural, 2.5 in. Center Inlet/Outlet, 18 in. Overall Length, Each

Part Number: FLO-12512304

4.25 out of 5 stars ( 4 )

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

Part Number: FLO-843051

4.78 out of 5 stars ( 18 )

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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 )

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Muffler, Outlaw, Shorty, 3 in. Inlet Diameter, 3 in. Outlet Diameter, Steel, Black, Each

Part Number: FLO-15430S

4.25 out of 5 stars ( 8 )

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

Part Number: FLO-843046

4.81 out of 5 stars ( 21 )

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