Premium Air Filter Royal Enfield 350-500 Series R-RE5N08-01. DNA replacement cotton air filters are designed to increase horsepower and acceleration while providing excellent filtration. 

Model:R-RE5N08-01
Royal Enfield Bullet 350
Royal Enfield Bullet 500

OEM Air Filter Air Flow: 44.60 CFM
DNA Air Filter Air Flow: 52.10 CFM
DNA Increased Air Flow: +16.82%
DNA Filtering Efficiency: 98-99%

• Installation of the filter is very easy, simply follow the information that can be found in the Royal Enfield workshop manual.
• The filtering efficiency is extremely high at 98-99% filtering efficiency, with 4 layers of DNA Cotton.
• The flow of this DNA filter set is 16.82% more than the Royal Enfield stock paper filter.
• DNA air filter flow: 52.10 CFM (Cubic feet per minute) @1,5"H2O corrected @ 25 degrees Celsius.
• Royal Enfield stock paper filter: 44.60 CFM (Cubic feet per minute) @1,5"H2O corrected @ 25 degrees Celsius.
• This DNA filter is designed as a High flow Air filter for: ‘Road, Off-road & Race use’.