• This filter features DNA®’s Stage 2 kit eliminates the OEM intake snorkel of ROYAL ENFIELD models and offer higher performance and better intake sound.
• This Stage 2 kit is designed to replace the stock plastic air box intake cover. Combined with the R-RE65CR23-01 (sold separately) will increase the Airflow, Filtering Efficiency, Power, Torque and Throttle response.
• The airflow of this new DNA Stage 2 combined ALWAYS with the DNA Stage 1 Air Filter (R-RE65CR23-01) is +190.78% more than the OEM air filter with ROYAL ENFIELD air box cover applied!
• Stock air box with DNA S2 & S1 air filter flow : 86.04 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius.
• Stock airbox with stock cover & OEM air filter: 29.59 CFM (Cubic feet per minute) @1,5”H2O corrected @ 25degrees Celsius.
• This DNA® Stage 2 kit is designed as a High Flow product for: ‘Race use only’.
• Fuel recalibration is suggested.

Stock Filter's Air Flow: 29.59 CFM

DNA Filter's Air Flow: 86.04 CFM

OEM Air Filter Part Number: RLY00038

DNA® Increased Air Flow: +190.78%

DNA® Filtering Efficiency: 98-99%