Quote:
Originally Posted by Overboost
In my understanding of the video, the K&N had the best performance but the worst at keeping from contaminates from entering the engine. The test showed a out of the box filter with a lot of oil from the factory.
For me, since I am never racing my SUV, the K&N would be the last choice for my X5.
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I'm trying to find one that
1) Sounds good (like engine noise coming out through the intake) which i think is more of the airbox than the filter but, its whatever.
2) Improve performance
3) (Ultimately) Save money with a re-useable filter
4) Not affect the longevity or maintenance of the engine in any negative way.