Performance Mufflers & More

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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Borla ProXS 304 Stainless Steel 3 Inch Muffler 40359

Borla ProXS 304 Stainless Steel 3 Inch Muffler 40359

Muffler, Pro XS, 3 in. Offset Outlet/3 in. Center Inlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40359

4.7 out of 5 stars ( 98 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 40659

Muffler, Pro XS, 2.5 in. Inlet/2.5 in. Outlet, Stainless Steel, Natural, Each

Part Number: BOR-40659

4.66 out of 5 stars ( 62 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 3 Inch Muffler 40353

Muffler, Pro XS, 3 in. Offset Inlet/3 in. Offset Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40353

4.86 out of 5 stars ( 29 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 40364

Muffler, Pro XS, 2.5 in. Center Inlet/2.5 in. Center Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40364

4.91 out of 5 stars ( 43 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 40352

Muffler, Pro XS, 2.5 in. Inlet/Outlet, Offse Inlet/Outlet, Stainless Steel, Natural, Each

Part Number: BOR-40352

4.9 out of 5 stars ( 42 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 40358

Muffler, Pro XS, 2.5 in. Center Inlet/2.5 in. Offset Outlet, 14 in. Shell Length, 9.5 in. Width, 4 in. High

Part Number: BOR-40358

4.68 out of 5 stars ( 25 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 40665

Muffler, Pro XS, Stainless Steel, Natural, 2.5 in. Inlet, 2.5 in. Outlet, Each

Part Number: BOR-40665

3.83 out of 5 stars ( 12 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 3 Inch Muffler 40349

Muffler, Pro XS, Oval, 3 in. Center Inlet/Dual 2.5 in. Outlets, 24 in. Overall Length, Stainless Steel, Natural

Part Number: BOR-40349

4.68 out of 5 stars ( 57 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.25 Inch Muffler 40363

Muffler, Pro XS, 2.25 in. Center Inlet/2.25 in. Center Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40363

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.25 Inch Muffler 40658

Muffler, Pro XS, 2 1/4 in. Inlet/2 1/4 in. Outlet, Stainless Steel, Natural, Each

Part Number: BOR-40658

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.25 Inch Muffler 40357

Muffler, Pro XS, 2.25 in. Center Inlet/2.25 in. Offset Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40357

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2.25 Inch Muffler 40351

Muffler, Pro XS, 2.25 in. Offset Inlet/2.25 in. Offset Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40351

4.33 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 3 Inch Muffler 40474

Muffler, Pro XS, 3 in. Inlet/Dual 2 1/2 in. Outlets, Transverse, Stainless Steel, Natural, Each

Part Number: BOR-40474

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2 Inch Muffler 40344

Muffler, Pro XS, 2 in. Offset Inlet/2 in. Center Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40344

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2 Inch Muffler 40347

Muffler, Pro XS, 2 in. Center Inlet/2 in. Center Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40347

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2 Inch Muffler 40346

Muffler, Pro XS, 2 in. Offset Inlet/2 in. Offset Outlet, Stainless Steel, Natural, Universal, Each

Part Number: BOR-40346

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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Borla ProXS 304 Stainless Steel 2 Inch Muffler 40657

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

Part Number: BOR-40657

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Borla Performance Turbo XL 304 Stainless Steel 2.5 Inch Muffler 40477

Muffler, Pro XS, Transverse Style, 2 1/2 in. Inlet/Dual 2 1/2 in. Outlet, T-303 Stainless Steel, Each

Part Number: BOR-40477

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 22, 2026 if ordered today

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Estimated Ship Date: Apr 22, 2026 if ordered today

AP Exhaust Xlerator Performance 409 Stainless Steel 4 Inch Muffler XS2772

Muffler, 7 in. Round, Stainless Steel, Rev, 30 in. Long, 4 in. Center Inlet, 4 in. Center Outlet, Each

Part Number: APH-XS2772

4.82 out of 5 stars ( 22 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 3 Inch Muffler XS2589

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2589

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 3 Inch Muffler XS2579

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2579

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 2.5 Inch Muffler XS2588

Muffler, Stainless Steel, Oval, Reversible, 28 in. Length, Dual 2.5 in., Single 3 in., Each

Part Number: APH-XS2588

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 2 Inch Muffler XS1224

Muffler, Stainless Steel, Oval, Reversible, 20 in. Length, 2.00 in. Offset, 2.00 in. Center Outlet, Each

Part Number: APH-XS1224

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 2.5 Inch Muffler XS2568

Muffler, Xlerator Performance, Stainless Steel, Natural, Chevy, GMC, 5.7L, Each

Part Number: APH-XS2568

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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AP Exhaust Xlerator Performance 409 Stainless Steel 2.5 Inch Muffler XS0426

Muffler, Stainless Steel, 4 in. Round, Reversible, 24 in. Long, 2.50 in. Center Inlet/Outlet, Each

Part Number: APH-XS0426

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

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