GDP 4" Open Air Intake System (2017-2019) - Chevy L5P

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GDP Tuning 4" Open Air Intake System comes with the option for a dry or oiled S&B filter offering improved performance for your 2017-2019 Chevy L5P Duramax. A sleek, free-flow design avoids sharp turns that can create choke points and reduce air flow. Each filter prevents damaging debris and contaminants from reaching and ruining your engine.


  • Premium S&B filter offered in dry or oiled varieties
  • Free flow design
  • Improved horsepower and torque
  • Offered in raw or black powder coated finish

GDP426007 , GDP426007-B , GDP426007D , GDP426007D-B