2007.5-2010 LMM Duramax S400 Single Turbo Install Kit Fine Texture Black Single Stage Powder Coating WCFab

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Intake Horn w/ PCV Reroute, 3.5 Inch, for 17-19 Duramax L5P, Satin Black

  • Size 3.5 Inch
  • Sold As Each
  • Reroute PCV
  • Finish Type Powder Coated
  • Finish Color Satin Black


  • NO Tuning required, bolt on!
  • Will fit on stock truck no other modifications or upgrades necessary!
  • 3 1/2 Inch Intake Horn
  • O-Ring
  • Mounting studs and nuts
  • 1 Inch Parker Hose with Billet Adapter Fitting and Clamp
  • Custom Single Stage Powder Coating

3 1/2 Inch Turbo Intake Horn for the 2017-2019 L5P Duramax with factory style Turbo. The OEM plastic intake horn is 2.4 Inch diameter and we experienced a 25HP Gain (Dyno comparison above) with our 3.5 Inch Horn when used with a Max Effort Tune. Tuning NOT required, this horn will work plug and play tuners or OEM calibration. Kit Includes PCV Hose and fitting to reroute the PCV.