Designed for Motorcycles With a Stock Engine Using the Stock Airbox, Air Filter, and Stock or Aftermarket PipeStage 1 Kits Are Fully Adjustable to Allow the Use of Well-Designed Aftermarket Pipes and K&N Stock Replacement Air FiltersStage 1 Kits Are Designed to Improve Throttle Response and Driveability in Most Cases; Power Increases of Approximately 5% Throughout the Entire Power Range Can Be AchievedDesigned for Motorcycles With Stock or Mildly Modified Engines Using K&N Individual Air Filters and a Stock or Aftermarket PipeIn Most Cases Power Increases of 10-15% Can Be AchievedHowever, Driveability May Be Compromised Particularly With Short Stroke High RPM MotorsOn Some Modern Engine and Airbox Designs, Individual Filters and Proper Jetting Offer No Performance Improvement, Yet Compromise DriveabilityIn Such Cases Stage 3 Kits Are Not AvailablePlease Note: The Image Displayed Is Representative of the Item, but May Vary Depending on Your Specific Model.
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