Borla Exhaust: Mufflers, Tips, Systems & More

Big power gains with a mellow tone and quality that’s second to none; that’s Borla’s mission and it goes into every exhaust component the company builds....

Big power gains with a mellow tone and quality that’s second to none; that’s Borla’s mission and it goes into every exhaust component the company builds. Borla Exhaust prides itself on manufacturing a huge selection of premium exhaust systems, headers, and mufflers from ultra high-quality T-304 stainless steel. Its cat-back systems are made from fully welded, mandrel-bent tubing and performance tuned to generate up to 15% more horsepower than stock—that’s the reason you’ll find Borla systems at professional race tracks around the world! In fact, Borla is so confident in its Street...

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Borla XR-1 Racing 304 Stainless Steel 3.5 Inch Muffler 40086

Borla XR-1 Racing 304 Stainless Steel 3.5 Inch Muffler 40086

Muffler, XR-1, 3 1/2 in. Inlet/3 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40086

4.47 out of 5 stars ( 17 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 2.5 Inch Muffler 40941

Muffler, XR-1, 2 1/2 in. Inlet/2 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40941

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla Performance Turbo 304 Stainless Steel 2.5 Inch Muffler 40842S

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

Part Number: BOR-40842S

4.92 out of 5 stars ( 13 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 3.5 Inch Muffler 40946

Muffler, XR-1, 3 1/2 in. Inlet/3 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40946

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 3.5 Inch Muffler 40004S

Muffler, XR-1, Round, 3 1/2 in. Center Inlet/3 1/2 in Center Outlet, Stainless Steel, Brushed, Each

Part Number: BOR-40004S

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 2.5 Inch Muffler 40942

Muffler, XR-1, 2 1/2 in. Inlet/2 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40942

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 3.5 Inch Muffler 40945

Muffler, XR-1, 3 1/2 in. Inlet/3 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40945

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 2.5 Inch Muffler 400024

Muffler, XR-1, Round, 2 1/2 in. Center Inlet/Outlet, 18 in. Overall Length, Stainless Steel, Each

Part Number: BOR-400024

Not Yet Reviewed

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla Performance Turbo XL 304 Stainless Steel 3 Inch Muffler 40670

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 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla ProXS 304 Stainless Steel 2 Inch Muffler 400477

Muffler, ProXS, Oval Case, Stainless, 2 in. Center Inlet, 2 in. Offset Outlet, 14 in. Case Length, Each

Part Number: BOR-400477

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla XR-1 Racing 304 Stainless Steel 2.5 Inch Muffler 40641

Muffler, XR-1, 2 1/2 in. Inlet/2 1/2 in. Outlet, Brushed Stainless Steel, Each

Part Number: BOR-40641

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla Performance Turbo XL 304 Stainless Steel 2.25 Inch Muffler 40664

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

Part Number: BOR-40664

4.9 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Borla Boomer 304 Stainless Steel 2.25 Inch Muffler 40060

Muffler, Boomer, 2 1/4 in. Inlet/4 in. Outlet, Polished Stainless Steel, Each

Part Number: BOR-40060

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Borla Boomer 304 Stainless Steel 2.25 Inch Muffler 40057

Muffler, Boomer, 2 1/4 in. Inlet/4 in. Outlet, Polished Stainless Steel, Each

Part Number: BOR-40057

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Borla Boomer 304 Stainless Steel 2.25 Inch Muffler 40061

Muffler, Boomer, 2 1/4 in. Inlet/5 in. Outlet, Polished Stainless Steel, Each

Part Number: BOR-40061

Not Yet Reviewed

Estimated Ship Date: Nov 3, 2025 if ordered today

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Estimated Ship Date: Nov 3, 2025 if ordered today

Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 400286

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: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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 ( 56 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

Borla ProXS 304 Stainless Steel 2.5 Inch Muffler 400485

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 )

Estimated Ship Date: Monday 10/20/2025

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Estimated Ship Date: Monday 10/20/2025

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