DNA Stage 2 Airbox Cover for Hunter 350
This filter features DNA®’s Stage 2 kit eliminates the OEM intake snorkel of ROYAL ENFIELD models and offers higher performance and better intake sound.
A perfect airtight sealing and trouble free Stage 2 kit installation for the user is guaranteed by using a high quality EVA seal.
This Stage 2 kit is designed to replace the stock plastic air box intake. Combined with the R-RE35N21-01 (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-RE35N21-01) is +99.48% more than the OEM air filter with ROYAL ENFIELD air box cover applied!
Stock air box with DNA S2 & S1 air filter flow : 1917 lit/min @ 10 mBar corrected @ 25degrees Celsius.
Stock airbox with stock cover & OEM air filter: 961 lit/min @ 10 mBar corrected @ 25degrees Celsius.
This DNA® Stage 2 kit is designed as a High Flow product for: ‘Race use only’.
Fuel recalibration is suggested.
Stock Air Box With Stock Cover & OEM Air Filter: 961 lit/min
Stock Air Box With DNA® Stage 2 & DNA S1 Filters Air Flow: 1917 lit/min
DNA® Increased Air Flow: +99.48%
DNA® Filtering Efficiency: 98-99%