2006-2007 LBZ Duramax S400/Stock Twin Turbo Kit Strawberry Frost Two Stage Powder Coating WCFab

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3.5 inch Turbo Intake Horn for the 2020+ L5P Duramax with factory style Turbo. Improves air flow to turbo by removing restriction found in the factory horn right before the turbo inlet. Tuning not required, this horn will work plug and play tuners or OEM calibration.


  • Finish Fluorescent Orange Two Stage
  • No Tuning required, bolt on!
  • Will fit with OEM or any aftermarket intake kit.
  • Will fit on stock truck no other modifications or upgrades necessary!
  • 3 1/2 inch Intake Horn
  • O-Ring
  • Mounting studs and nuts
  • Powder coating