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Direct Port Systems

Add multiple stages of nitrous to your engine and reduce those E/Ts!? Direct port nitrous consists of individual nozzles that atomize nitrous and fuel, then introduces that mixture directly into each intake port. Available in wet or dry kits.

Direct Port Systems Features

  • Bolt on an instant 75-500 horsepower
  • Kits available for most domestic and some import applications
  • Kits available in wet or dry configurations
 X Holley Power Sweeps