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Flowmaster

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.

Showing In Stock Items. Show All 33 Items.

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Results 1 - 25 of 30

Flowmaster 40 Series Steel 2.25 Inch Muffler 42441

Flowmaster 40 Series Steel 2.25 Inch Muffler 42441

Flowmaster 40 Series Steel 2.25 Inch Muffler 42441

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: Today

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Flowmaster FlowFX 409 Stainless Steel 2.25 Inch Muffler 71225

Flowmaster FlowFX 409 Stainless Steel 2.25 Inch Muffler 71225

Flowmaster FlowFX 409 Stainless Steel 2.25 Inch Muffler 71225

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: Today

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Flowmaster 40 Series Steel 3 Inch Muffler 43043

Flowmaster 40 Series Steel 3 Inch Muffler 43043

Flowmaster 40 Series Steel 3 Inch Muffler 43043

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

Part Number: FLO-43043

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

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Flowmaster Super 44 Series Steel 2.25 Inch Muffler 942446

Flowmaster Super 44 Series Steel 2.25 Inch Muffler 942446

Flowmaster Super 44 Series Steel 2.25 Inch Muffler 942446

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

Part Number: FLO-942446

4.66 out of 5 stars ( 29 )

Estimated Ship Date: Today

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Flowmaster Super 44 Series Steel 2.5 Inch Muffler 942548

Flowmaster Super 44 Series Steel 2.5 Inch Muffler 942548

Flowmaster Super 44 Series Steel 2.5 Inch Muffler 942548

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

Part Number: FLO-942548

4.89 out of 5 stars ( 28 )

Estimated Ship Date: Today

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Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.5 Inch Muffler 842548

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.5 Inch Muffler 842548

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.5 Inch Muffler 842548

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

Part Number: FLO-842548

4.76 out of 5 stars ( 25 )

Estimated Ship Date: Today

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Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953047

Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953047

Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953047

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

Part Number: FLO-953047

4.79 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Flowmaster 70 Series Big Block II 409 Stainless Steel 3 Inch Muffler 853072

Flowmaster 70 Series Big Block II 409 Stainless Steel 3 Inch Muffler 853072

Flowmaster 70 Series Big Block II 409 Stainless Steel 3 Inch Muffler 853072

Muffler, 70 Series Big Block II, Oval, Stainless, 3 in. Center Inlet, 3 in. Offset Outlet, 22 in. Case Length

Part Number: FLO-853072

4.67 out of 5 stars ( 27 )

Estimated Ship Date: Today

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Flowmaster Super 40 Series Delta Flow 409 Stainless Steel 3.5 Inch Muffler 853548

Flowmaster Super 40 Series Delta Flow 409 Stainless Steel 3.5 Inch Muffler 853548

Flowmaster Super 40 Series Delta Flow 409 Stainless Steel 3.5 Inch Muffler 853548

Muffler, Super 40 Series Delta Flow, Oval, Stainless, Black, 3.5 in. Offset Inlet/Outlet, Chevy, Ford, Ram

Part Number: FLO-853548

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Today

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Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 3 Inch Muffler 843048

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 3 Inch Muffler 843048

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 3 Inch Muffler 843048

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

Part Number: FLO-843048

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Flowmaster FlowFX 409 Stainless Steel 3 Inch Muffler 72469

Flowmaster FlowFX 409 Stainless Steel 3 Inch Muffler 72469

Flowmaster FlowFX 409 Stainless Steel 3 Inch Muffler 72469

Mufflers, FlowFX, Oval Case, Stainless Steel, Natural, Dual 3.00 in. Center Inlet/Dual 3.00 in. Center Outlet, 24.000 in. Overall Length, Each

Part Number: FLO-72469

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flowmaster 40 Series Delta Flow Steel 3 Inch Muffler 943043

Flowmaster 40 Series Delta Flow Steel 3 Inch Muffler 943043

Flowmaster 40 Series Delta Flow Steel 3 Inch Muffler 943043

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: Today

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Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 942543

Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 942543

Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 942543

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: Today

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Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530504

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

Part Number: FLO-530504

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

Flowmaster Stainless Steel 50 Series SUV Performance 409 Stainless Steel 3 Inch Muffler 853057

Flowmaster Stainless Steel 50 Series SUV Performance 409 Stainless Steel 3 Inch Muffler 853057

Flowmaster Stainless Steel 50 Series SUV Performance 409 Stainless Steel 3 Inch Muffler 853057

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

Part Number: FLO-853057

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Today

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Flowmaster Super 44 Series Steel 3 Inch Muffler 943048

Flowmaster Super 44 Series Steel 3 Inch Muffler 943048

Flowmaster Super 44 Series Steel 3 Inch Muffler 943048

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: Today

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Flowmaster FlowFX 409 Stainless Steel 3.5 Inch Muffler 74151

Flowmaster FlowFX 409 Stainless Steel 3.5 Inch Muffler 74151

Flowmaster FlowFX 409 Stainless Steel 3.5 Inch Muffler 74151

Muffler, FlowFX Series, 3.5 in. Inlet/3.5 in. Outlet, Stainless Steel, Natural, Oval Body, Each

Part Number: FLO-74151

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

Flowmaster 80 Series Crossflow 409 Stainless Steel 2.5 Inch Muffler 842583

Flowmaster 80 Series Crossflow 409 Stainless Steel 2.5 Inch Muffler 842583

Flowmaster 80 Series Crossflow 409 Stainless Steel 2.5 Inch Muffler 842583

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: Today

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Flowmaster Super 50 Series Performance Steel 3 Inch Muffler 53057

Flowmaster Super 50 Series Performance Steel 3 Inch Muffler 53057

Flowmaster Super 50 Series Performance Steel 3 Inch Muffler 53057

Muffler, Super 50 Series, 3 in. Inlet/3 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-53057

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953048

Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953048

Flowmaster Super 40 Series Delta Flow Steel 3 Inch Muffler 953048

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

Part Number: FLO-953048

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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This product may not be eligible for select promotional offers

Flowmaster 40 Series Delta Flow Steel 2.25 Inch Muffler 942441

Flowmaster 40 Series Delta Flow Steel 2.25 Inch Muffler 942441

Flowmaster 40 Series Delta Flow Steel 2.25 Inch Muffler 942441

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: Today

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Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.25 Inch Muffler 842446

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.25 Inch Muffler 842446

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.25 Inch Muffler 842446

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: Today

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Flowmaster 80 Series Crossflow Steel 2.5 Inch Muffler 42583

Flowmaster 80 Series Crossflow Steel 2.5 Inch Muffler 42583

Flowmaster 80 Series Crossflow Steel 2.5 Inch Muffler 42583

Muffler, 80 Series, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-42583

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Flowmaster 40 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842543

Flowmaster 40 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842543

Flowmaster 40 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842543

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

Part Number: FLO-842543

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

Flowmaster 50 Series Big Block Steel 3 Inch Muffler 530513

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 )

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