Mufflers

Muffler, ProXS, Oval, Two 2.5 in. Inlets/Two 2.5 in. Outlets, Stainless Steel, Brushed, Each

Part Number: BOR-400286

4.84 out of 5 stars ( 44 )

Estimated Ship Date: Today

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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 )

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Muffler, ProXS, Oval, Stainless, Single 3.00 in. Center Inlet, Dual 2.50 in. Outlet, 19.00 in. Case Length

Part Number: BOR-400487

5.0 out of 5 stars ( 2 )

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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 )

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Muffler, ProXS, Oval Case, Stainless, 2.5 in. Center Inlet, Dual 2.5 in. Offset Outlet, 19 in. Case Length

Part Number: BOR-400485

5.0 out of 5 stars ( 4 )

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Muffler, ProXS, Oval Case, Stainless, Dual 2.25 in. Inlet, Dual 2.25 in. Outlet, 19 in. Case Length, Each

Part Number: BOR-400492

5.0 out of 5 stars ( 2 )

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Muffler, Turbo XL, 3 in. Inlet/2 1/4 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40670

4.8 out of 5 stars ( 5 )

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Muffler, ProXS, Oval Case, Stainless, 3 in. Center Inlet, Dual 2.25 in. Offset Outlets, 23 in. Overall Length

Part Number: BOR-400486

4.33 out of 5 stars ( 6 )

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

Part Number: WLK-17739

3.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

• $10 Summit Bucks on $100 spent*

Muffler, ProXS, Oval Case, Stainless, Dual 2.5 in. Inlet, Dual 2.5 in. Outlet, 19 in. Case Length, Each

Part Number: BOR-400493

5.0 out of 5 stars ( 1 )

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Muffler, Oval, 2.25 in. Inlet/2.25 in. Outlet, Stainless Steel, Brushed, Each

Part Number: BOR-400287

4.0 out of 5 stars ( 4 )

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Muffler, SoundFX, 2 1/2 in. Inlet/2 1/4 in. Outlet, Steel, Aluminized, Chevy, Pontiac, Each

Part Number: WLK-18375

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

Muffler, Quiet-Flow 3, Steel, Aluminized, Turbo-style, Dual Offset 1.5 in. Outlet, for use on Honda®, 1.6L

Part Number: WLK-54130

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Oversize $12.99

Muffler, Straight-Through Core, 3.00 in. Inlet, 2.50 in. Outlet, One Inlet, Dual Outlets, Stainless Steel, 304SS, Each

Part Number: SUM-633262

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Muffler, Specialty, Crossflow Design, Oval, Stainless, One 3.0 in. Offset Inlet, Two 2.5 in. Offset Outlets, 19 in. Case Length, Each

Part Number: BOR-400499

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Muffler, Specialty, Crossflow Design, Oval, Stainless, One 2.5 in. Offset Inlet, Two 2.5 in. Offset Outlets, 19 in. Case Length, Each

Part Number: BOR-400498

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Mufflers, Direct Fit SoundFX, Steel, Aluminized, 24.000 in. Overall Length, Chevy, Pontiac, Each

Part Number: WLK-18232

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Muffler, MSL, Chevy, GMC, Each

Part Number: APH-700065

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Estimated Ship Date: Today

Muffler, MSL, Chevy, Pontiac, Each

Part Number: APH-6584

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Muffler, OE Replacement, Steel, Aluminized, Oldsmobile, Pontiac, Each

Part Number: APH-2035

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Estimated Ship Date: May 18, 2026 if ordered today

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Mufflers, Direct-Fit SoundFX, Steel, Aluminized, 46.25 in. Overall Length, for Infiniti, for Nissan, Each

Part Number: WLK-18886

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

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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: May 15, 2026 if ordered today

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Muffler, SoundFX Series, Steel, Aluminized, 2.25 in. Inlet, Dual 2.00 in. Outlets, Each

Part Number: WLK-17836

4.67 out of 5 stars ( 3 )

Estimated Ship Date: May 28, 2026 if ordered today

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Mufflers-SoundFX

Part Number: WLK-18990

Not Yet Reviewed

Estimated Ship Date: May 28, 2026 if ordered today

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