Performance Mufflers & More

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Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in...

Give your ride a new attitude with mufflers from Flowmaster, Magnaflow, Thrush, Hushpower, Cherry Bomb, and more! We’ve got direct-fit and universal mufflers in a variety of shapes, sizes, inlet diameters, and inlet/outlet quantities. Bring that throaty performance sound to your street machine or musclecar with a chambered muffler or choose the superior noise reduction of a turbo-style muffler. For all-out race performance, shop our selection of glasspack mufflers, straight-through racing mufflers, and resonators. What does a high performance muffler sound like? You decide with our huge in-stock selection of mufflers...

Related Parts: Exhaust Tubing | Exhaust Tips | Exhaust Clamps | Exhaust Hangers

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Results 1 - 25 of 87

Flowmaster 40 Series Steel 2.5 Inch Muffler 42541

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

Part Number: FLO-42541

4.75 out of 5 stars ( 87 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Summit Racing™ Exhaust System Replacement Steel 3 Inch Muffler SUM-638011

Muffler, Replacement, 3.0 in. Center Inlet/Dual 2.25 in. Outlets, Steel, Aluminized, Each

Part Number: SUM-638011

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 50 Series Delta Flow Steel 2.5 Inch Muffler 942551

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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Dynomax Super Turbo Steel 2.5 Inch Muffler 17733

Muffler, Super Turbo, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17733

4.64 out of 5 stars ( 73 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 40 Series Steel 2.5 Inch Muffler 42543

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

Part Number: FLO-42543

4.91 out of 5 stars ( 43 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Super 44 Series Steel 2.5 Inch Muffler 942546

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

Part Number: FLO-942546

4.66 out of 5 stars ( 53 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 40 Series Delta Flow Steel 2.5 Inch Muffler 942541

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

Part Number: FLO-942541

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Stainless Steel 40 Series 409 Stainless Steel 2.5 Inch Muffler 8042541

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

Part Number: FLO-8042541

4.27 out of 5 stars ( 15 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 50 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842551

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 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 50 Series Delta Flow Steel 2 Inch Muffler 942051

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

Part Number: FLO-942051

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Super 50 Series Performance Steel 2.5 Inch Muffler 52558

Muffler, Super 50 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Aluminized, Each

Part Number: FLO-52558

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

4.77 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Stainless Steel Super 44 Series 409 Stainless Steel 2.5 Inch Muffler 842546

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

Part Number: FLO-842546

4.71 out of 5 stars ( 17 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 50 Series Delta Flow Steel 2.25 Inch Muffler 942451

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Black, Each

Part Number: FLO-942451

4.33 out of 5 stars ( 21 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 40 Series Delta Flow Steel 2 Inch Muffler 942041

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

Part Number: FLO-942041

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Dynomax Super Turbo Steel 2.25 Inch Muffler 17747

Muffler, Super Turbo, 2 1/4 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Each

Part Number: WLK-17747

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 50 Series Delta Flow 409 Stainless Steel 2.25 Inch Muffler 842451

Muffler, Delta Flow 50 Series, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Black, Each

Part Number: FLO-842451

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 70 Series Big Block II Steel 2.5 Inch Muffler 52573

Muffler, Big Block II 70 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-52573

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 40 Series Delta Flow 409 Stainless Steel 2.5 Inch Muffler 842541

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

Part Number: FLO-842541

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Stainless Steel 40 Series 409 Stainless Steel 2.5 Inch Muffler 8042543

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

Part Number: FLO-8042543

4.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 70 Series Big Block II Steel 2.5 Inch Muffler 52571

Muffler, Big Block II 70 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Each

Part Number: FLO-52571

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster Super 40 Series Delta Flow Steel 2.5 Inch Muffler 952548

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

Part Number: FLO-952548

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Flowmaster 70 Series Big Block II Steel 2.5 Inch Muffler 52572

Muffler, Big Block II 70 Series, 2 1/2 in. Inlet/2 1/2 in. Outlet, Steel, Black, Steel, Each

Part Number: FLO-52572

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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