DNA Adventure Expedition Kit BMW R 1250 GS Adv. (Stage 2) DNA AIR FILTER FOR BMW R1200 GS 13 (K50) R BM12E13 S2 DNA COTTON AIR FILTER BMW R 1250 GS ADVENTURE 2019 2023 DNA High Performance Filter Road Star. Take the airflow of your BMW R1300GS to the next level with this complete Stage 2 kit from DNA. This kit is designed for motorcyclists who want maximum airflow, better response and more power perfect for sport riding, long distances or adventurous touring. What does the kit contain? Two high quality DNA Performance filters featuring multiple layers of organic cotton, impregnated with oil, for optimal filtration and reusability. New filter covers airbox covers to replace the original, to allow maximum air intake. Benefits of this Stage 2 kit Up to ~41 % more airflow than the standard air filter this provides better engine breathing. Power gain up to ~5 HP on test bench compared to original filter. Filter efficiency 98 99 % thanks to high quality cotton filter stops dust and dirt and protects your engine. "Full Contour Design" ensures a perfect fit and optimal airflow, for smoother engine running and better throttle response. Reusable and maintenance friendly: the filter is easy to clean and re oil with the included service kit, making the filter last a lifetime. Suitable for BMW R1300GS (models from 2023 onwards) and R1300GS A (from 2024 onwards) 1 to 1 replacement of the original air filter + airbox cover. What does this get you? With the DNA Stage 2 kit, you ride an engine that runs smoother, responds faster to throttle, and has extra breathing room ideal for motorcyclists who want to increase performance without sacrificing reliability or ease of maintenance. Plus, you'll save on filter costs in the long run because the filter is reusable. Note: For optimal results, we recommend periodically cleaning and re oiling the filters with the included DNA service kit. This will maintain filter efficiency and airflow.