NG 900/9-3 K&N Filter
From The Saab Tech Wiki
Overview
This is a simple upgrade to perform. Remove the top of the filter box by undoing the metal clips, remove the stock paper filter and drop in the K&N filter. The filter number for the NG900 is 33-2663. The performance increase is not noticeable, but the intake will be slightly louder.
Cost and Difficulty
- Cost: ~$45 K&N Filter
- Time: 5 min
- Difficulty: Easy