This DNA® Stage 2 airbox cover and DNA air filter kit for BMW R 1300 GS / GSA Adventure removes the OEM intake duct from BMW models and offers increased performance as well as an improved intake sound.

This Stage 2 kit is designed to replace the plastic intake of the original airbox. Combined with the P-BM13E24-01 (sold separately), it increases airflow, filtration efficiency, power, torque, and throttle response.

The airflow of this new DNA Stage 2 is +41.20% higher than that of the original BMW airbox!
Airbox with DNA S2 & S1 filters: 8500 l/min @ 7 mBar corrected @ 25°C
Airbox with original cover & OEM filter: 6024 l/min @ 7 mBar corrected @ 25°C
This DNA® Stage 2 kit is designed as a high-flow product for: "Competition use only."