DURAMAX

For Duramax-powered Chevy and GMC trucks, Swag Performance Parts offers a wide range of performance enhancements, OEM replacement parts, suspension upgrades, recovery gear, lighting solutions, and accessories. Whether your goal is to increase towing capability, improve fuel economy, or ensure long-term reliability, we have the parts and expertise to keep your Duramax operating at peak performance. 

2020 - 2021 GM 6.6L L5P Duramax Parts – Upgrade your L5P Duramax with performance tuners, cold air intakes, exhaust systems, and fuel system enhancements for more power and efficiency.

2017 - 2019 GM 6.6L L5P Duramax Parts – Enhance your truck with turbo upgrades, EGR solutions, fuel system improvements, and tuning options for optimized performance.

2011 - 2016 GM 6.6L LML Duramax Parts – Maximize the reliability and power of your LML Duramax with upgraded fuel injectors, turbo kits, exhausts, and emissions components.

2007.5 - 2010 GM 6.6L LMM Duramax Parts – Improve towing performance and fuel economy with tuning, intercoolers, turbo enhancements, and exhaust upgrades.

2006 - 2007 GM 6.6L LLY/LBZ Duramax Parts – Boost horsepower and efficiency with upgraded injectors, fuel pumps, high-flow air intakes, and turbochargers.

2004.5 - 2005 GM 6.6L LLY Duramax Parts – Keep your LLY Duramax running at peak performance with intercooler upgrades, fuel system enhancements, and custom tuning.

2001 - 2004 GM 6.6L LB7 Duramax Parts – Upgrade your LB7 with replacement injectors, turbo enhancements, high-flow exhaust systems, and fuel lift pumps.

1982 - 1998 GM 6.2L & 6.5L Diesel Parts – Maintain and enhance your classic GM diesel with fuel system upgrades, turbo kits, and essential performance parts.

2020 - 2022 GM 3.0L Duramax Parts – Unlock the potential of your 3.0L Duramax with tuning solutions, cold air intakes, and exhaust upgrades.

2016 - 2022 GM 2.8L Duramax Parts – Improve the efficiency and power of your 2.8L Duramax with turbo upgrades, fuel system enhancements, and custom tuning.

2003 - 2008 GM 6.6L Duramax Kodiak/TopKick Parts – Enhance your Kodiak or TopKick with heavy-duty turbochargers, intercoolers, fuel injectors, and exhaust components for peak performance.

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  Magnaflow Universal Converter 3.00in. C/C Met. 59959

  Magnaflow Universal Converter 3.00in. C/C Met. 59959 Ships to Continental US Only.   MagnaFlow Conv Univ 3.00inch C/C Met. Stainless . Not for sale or street use in CA & CARB states.

  MSRP:

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  Now: $190.00

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  Magnaflow Universal Converter 2.50inch C/C Met. 59956

  Magnaflow Universal Converter 2.50inch C/C Met. 59956Ships to Continental US Only.   MagnaFlow Conv Univ 2.50inch C/C Met. Not for sale or street use in CA & CARB states.

  MSRP:

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  Now: $190.00

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  Magnaflow Stainless Steel Muffler 14x4x9 2.5 O/C 11226

  Magnaflow Stainless Steel Muffler 14x4x9 2.5 O/C 11226Ships to Continental US Only.   MagnaFlow Muffler Mag SS 14X4X9 2.5 O/C

  MSRP:

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  Now: $175.86

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  Magnaflow Stainless Steel Muffler 14x4x4 2.5x2.5 10416

  Magnaflow Stainless Steel Muffler 14x4x4 2.5x2.5 10416Ships to Continental US Only.   MagnaFlow Muffler Mag SS 14X4X4 2.5X2.5

  MSRP:

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  Now: $148.92

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  Magnaflow Conv Universal 2.50inch C/a 54976

  Magnaflow Conv Universal 2.50inch C/a 54976Ships to Continental US Only.   MagnaFlow Converter Universal 2.50inch C/A.  Not for sale or street use in CA & CARB states.

  MSRP:

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  Now: $146.00

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  Magnaflow 20" Diesel Muffler Universal - 4" Inlet/outlet, 20" Length * 12771

  Magnaflow 20" Diesel Muffler Universal - 4" Inlet/outlet, 20" Length * 12771Ships to Continental US Only.   Inlet/Outlet Size: 4in./4in. Body Shape: 7in. Round Core Size: 4in. Body Length: 20in.Material: 100% Stainless Steel - Satin Finish ...

  MSRP:

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  Now: $275.56

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  Magnaflow 4" Performance Muffler Universal - 4" Inlet/outlet, 20" Overall 12775

  Magnaflow 4" Performance Muffler Universal - 4" Inlet/outlet, 20" Overall 12775Ships to Continental US Only.   MagnaFlow Muffler Mag DSL SS 7x7x14 4in Inlet 4in Outlet

  MSRP:

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  Now: $307.42

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  Magnaflow 5" Angle Cut Exhaust Tip 4" In X 5" Out X 24" Long 35149

  Magnaflow 5" Angle Cut Exhaust Tip 4" In X 5" Out X 24" Long 35149Ships to Continental US Only.   MagnaFlow Tip 1-Pk Re 5.00X 24 4.00 Id 15

  MSRP:

  Was:

  Now: $287.18

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  Magnaflow 6" Dual Wall Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35233

  Magnaflow 6" Dual Wall Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35233Ships to Continental US Only.   Magnaflow Tip (1-Pk) DWACRE 6.00 x 13 - 5.00in. ID

  MSRP:

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  Now: $232.95

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  Magnaflow Federal Universal 4" Offset Catalytic Converter Universal 60121

  Magnaflow Federal Universal 4" Offset Catalytic Converter Universal 60121Ships to Continental US Only.   The Magnaflow 60121 Federal Universal 4" Offset Catalytic Converter is specially designed for your diesel exhaust system. MagnaFlow...

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  Now: $595.00

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  Magnaflow Black Series Intercooled Angle Cut Exhaust Tip 4" In, 5" Out, 13" 35220

  Magnaflow Black Series Intercooled Angle Cut Exhaust Tip 4" In, 5" Out, 13" 35220Ships to Continental US Only.   The Magnaflow 35220 5" Black Series Intercooled Angle Cut Exhaust Tip features a 100% stainless steel construction with a durable black...

  MSRP:

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  Now: $306.33

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  Magnaflow 5" Angle Cut Exhaust Tip 3.5" In X 5" Out X 14.5" Long 35213

  Magnaflow 5" Angle Cut Exhaust Tip 3.5" In X 5" Out X 14.5" Long 35213Ships to Continental US Only.   MagnaFlow Tip W/Clamp 5x14.5inch 3.5inch ID

  MSRP:

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  Now: $240.83

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