K&N Panel Filter Set - B8 RS4 / RS5 - 4.2FSI V8

K&N Panel Filter Set for the Audi RS4 and RS5 B8 and B8.5 Models with the 4.2FSI V8 Engine

K&N panel air filters install easily into your factory airbox. The K&N filter is a permanent, high performance filter that can be cleaned, re-oiled, and used many times over. These low restriction air filters allow the engine to breath more freely, which means better throttle response and approximately 1-3HP gained throughout the rev range.

Kit includes: 
- Left Hand Panel Filter
- Right Hand Panel Filter