04.5-05 GM 6.6L LLY DURAMAX

Optimize airflow and fuel delivery for your 2004.5–2005 LLY Duramax with upgraded intercooler piping, turbo kits, and performance injectors. This section focuses on improving turbo spool and reducing EGTs while maintaining compatibility with stock turbochargers and factory engine management. Includes LLY-specific head studs and fuel system parts for daily driving or towing builds.

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  Magnaflow 6" Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35215

  Magnaflow 6" Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35215Ships to Continental US Only.   MagnaFlow Tip 1-Pk 6x13inch 5inch ID W/Clamp

  MSRP:

  Was:

  Now: $206.36

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  Magnaflow Black Series Angle Cut Exhaust Tip 3.5" In X 5" Out X 14.5" Long 35237

  Magnaflow Black Series Angle Cut Exhaust Tip 3.5" In X 5" Out X 14.5" Long 35237Ships to Continental US Only.   MagnaFlow Tip Stainless Black Coated Single Wall Round Single Outlet 5in Dia 3.5in Inlet 14.5in L

  MSRP:

  Was:

  Now: $305.97

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  Magnaflow 5" Black Series Angle Cut Exhaust Tip 4" In X 5" Out X 13" Long 35238

  Magnaflow 5" Black Series Angle Cut Exhaust Tip 4" In X 5" Out X 13" Long 35238Ships to Continental US Only.   MagnaFlow Tip Stainless Black Coated Single Wall Round Single Outlet 5in Dia 4in Inlet 13in L

  MSRP:

  Was:

  Now: $292.45

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  Magnaflow 5" Angle Cut Exhaust Tip 4" In X 5" Out X 8" Long 35148

  Magnaflow 5" Angle Cut Exhaust Tip 4" In X 5" Out X 8" Long 35148Ships to Continental US Only.   MagnaFlow Tip 1-Pk Re 5.00 X 8.00 4.00 Id

  MSRP:

  Was:

  Now: $163.76

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  Magnaflow 3"-4" Tip Adapter Universal - 3" X 4" X 7" 10764

  Magnaflow 3"-4" Tip Adapter Universal - 3" X 4" X 7" 10764 Ships to Continental US Only.   MagnaFlow 3in-4in Stainless Steel Transition 7in Long

  MSRP:

  Was:

  Now: $67.34

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  Magnaflow 5" Dual Wall Angle Cut Exhaust Tip 4" In X 5" Out X 13" Long 35186

  Magnaflow 5" Dual Wall Angle Cut Exhaust Tip 4" In X 5" Out X 13" Long 35186Ships to Continental US Only.   MagnaFlow Tip 1-pak RE DW 5x13 4 ID

  MSRP:

  Was:

  Now: $148.00

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  Magnaflow 6" Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35185

  Magnaflow 6" Angle Cut Exhaust Tip 5" In X 6" Out X 13" Long 35185Ships to Continental US Only.   MagnaFlow Tip 1-pak BB AC RE 6x13 5 ID

  MSRP:

  Was:

  Now: $224.94

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  Magnaflow Muffler Mag Stainless Steel 22x5x11 3 C/O 12589

  Magnaflow Muffler Mag Stainless Steel 22x5x11 3 C/O 12589Ships to Continental US Only.   MagnaFlow Muffler Mag SS 22X5X11 3 C/O

  MSRP:

  Was:

  Now: $253.24

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  Magnaflow Universal Converter 5.0 C/C 3.0 Spun OEM 51659

  Magnaflow Universal Converter 5.0 C/C 3.0 Spun OEM 51659Ships to Continental US Only.   MagnaFlow Conv Universal 5.0 C/C 3.0 Spun OEM

  MSRP:

  Was:

  Now: $331.00

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  Magnaflow Stainless Steel Muffler 22x5x11 2.5 D/3 C 12588

  Magnaflow Stainless Steel Muffler 22x5x11 2.5 D/3 C 12588Ships to Continental US Only.   MagnaFlow Muffler Mag SS 22X5X11 2.5 D/3 C

  MSRP:

  Was:

  Now: $284.56

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  Magnaflow Stainless Steel Muffler 18x5x8 3x3 C/C 12249

  Magnaflow Stainless Steel Muffler 18x5x8 3x3 C/C 12249Ships to Continental US Only.   MagnaFlow Muffler Mag SS 18X5X8 3X3 C/C

  MSRP:

  Was:

  Now: $219.88

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  Magnaflow Stainless Steel Muffler 14x4x9 2.5/2.5 O/O 11236

  Magnaflow Stainless Steel Muffler 14x4x9 2.5/2.5 O/O 11236Ships to Continental US Only.   MagnaFlow Muffler Mag SS 14X4X9 2.5/2.5 O/O

  MSRP:

  Was:

  Now: $175.86

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