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Flowmaster

Flowmaster Super HP-2 Mufflers

4.7 out of 5 stars 88 Customer Reviews

These Super HP-2 mufflers from Flowmaster are designed for use with street rods, customs, and sport trucks. They feature stainless steel construction with an internal, layered-laminar jet engine gas flow design that uses guided sound control with broadband sound cancellation for a mellow '50s tone. These mufflers support up to 400 HP, while delivering outstanding looks, durability, and sound control.

Showing In Stock Items. Show All 8 Items.

Results 1 - 8 of 8

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12512409

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 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

Flowmaster Super HP-2 409 Stainless Steel 2.5 Inch Muffler 12518409

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

Part Number: FLO-12518409

4.71 out of 5 stars ( 24 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12512304

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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Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12412409

Resonator, Stainless Steel, Black, 2.25 in. Inlet/Outlet, 17 in. Length, 4 in. Diameter, Each

Part Number: FLO-12412409

4.6 out of 5 stars ( 10 )

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Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

Flowmaster Super HP-2 304 Stainless Steel 2.5 Inch Muffler 12518304

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

Part Number: FLO-12518304

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12012409

Muffler, Oval, Stainless Steel, Black, 2 in. Center Inlet/Outlet, 18 in. Overall Length, Each

Part Number: FLO-12012409

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

Flowmaster Super HP-2 409 Stainless Steel 2 Inch Muffler 12018409

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

Part Number: FLO-12018409

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

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Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

Flowmaster Super HP-2 409 Stainless Steel 2.25 Inch Muffler 12418409

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 )

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