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MagnaFlow Exhaust: Mufflers, Systems, Tips & More

Which is more important: great performance or great sound? MagnaFlow Exhaust settles the debate by giving you both! Using decades of experience, extensive research,...

Which is more important: great performance or great sound? MagnaFlow Exhaust settles the debate by giving you both! Using decades of experience, extensive research, and field testing, MagnaFlow develops and manufactures durable steel mufflers tuned to provide the proper amount of backpressure, plus a deep, resonance-free tone. MagnaFlow Exhaust is so confident in these mufflers, each is guaranteed for life! We also carry MagnaFlow’s entire line of performance tubing, tips, hardware, catalytic converters, and complete exhaust systems.

Individual Parts

Part Groups

Results 1 - 25 of 2000 +

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 11229

Muffler, 3.00 in. Center Inlet/3.00 in. Offset Outlet, Reversible, Stainless Steel, Natural, Each

Part Number: MPE-11229

4.75 out of 5 stars ( 32 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 11219

Muffler, Performance, 3.00 in. Center Inlet, Standard 3.00 in. Center Outlet without Tip, Oval Case, Reversible, 409 Stainless Steel, Natural, Each

Part Number: MPE-11219

4.53 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 11236

Muffler, 2.50 in. Inlet/2.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11236

4.9 out of 5 stars ( 29 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Direct-Fit Catalytic Converters 23453

Catalytic Converter, Stainless Steel, Chevy, GMC, 35.5 in. Length, 5.7L, Each

Part Number: MPE-23453

4.67 out of 5 stars ( 27 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3.5 Inch Muffler 12909

Muffler, 3.50 in. Inlet/3.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12909

4.69 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 12589

Muffler, 3.00 in. Inlet/3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12589

4.79 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 11239

Muffler, Performance, Oval, Stainless Steel, Natural, 3.00 in. Offset Inlet/Outlet, 18.00 in. Overall Length, Each

Part Number: MPE-11239

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 11216

Muffler, 2.50 in. Inlet/2.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11216

4.78 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Direct-Fit Catalytic Converters 93419

Catalytic Converter, Stainless Steel, Chevy, GMC, Pickup, SUV, 4.8, 5.3L, Front, Each

Part Number: MPE-93419

3.78 out of 5 stars ( 9 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Walker Ultra Direct-Fit Catalytic Converters 50462

4.5 out of 5 stars ( 17 )

Estimated Ship Date: Monday 3/23/2026

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MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 12579

Muffler, 3.00 in. Inlet/3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12579

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 12256

Muffler, 2.50 in. Inlet/2.50 in. Outlet, 409 Stainless Steel, Satin Finish, Each

Part Number: MPE-12256

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 12289

Muffler, 3.00 in. Inlet/3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12289

5.0 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 12649

Muffler, 3.00 in. Inlet/3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12649

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 12267

Muffler, Stainless Steel, Natural, Chevy, Pontiac, Each

Part Number: MPE-12267

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 10426

Muffler, 2.50 in. Inlet/2.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-10426

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2 Inch Muffler 11224

Muffler, 2.00 in. Inlet/2.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11224

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.25 Inch Muffler 11378

Muffler, Dual 2.25 in. Inlet/Dual 2.25 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11378

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Universal Catalytic Converters 334009

Catalytic Converter, Universal, Stainless Steel, 3.00 in. Inlet, 3.00 in. Outlet, 16 in. Length, Each

Part Number: MPE-334009

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Universal Catalytic Converters 51209

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51209

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 3 Inch Muffler 11259

Muffler, 3.00 in. Inlet/3.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11259

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 11266

Muffler, 2.50 in. Inlet/2.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-11266

4.85 out of 5 stars ( 13 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Universal Catalytic Converters 51206

Catalytic Converter, Universal, 3-Way Style, Stainless Steel, Each

Part Number: MPE-51206

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 12226

Muffler, 2.50 in. Inlet/2.50 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12226

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 2.5 Inch Muffler 12468

Muffler, 2.50 in. Inlet/Dual 2.50 in. Outlet, Stainless Steel, Tru-X core design, Natural, Each

Part Number: MPE-12468

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

MagnaFlow Performance 409 Stainless Steel 4 Inch Muffler 12773

Muffler, 4.00 in. Inlet/4.00 in. Outlet, Stainless Steel, Natural, Each

Part Number: MPE-12773

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/23/2026 if shipped by air

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Estimated Ship Date: Monday 3/23/2026 if shipped by air

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