K&N filters
Anyone changed there factory air filter to K&N?If so was it worth the cost i.e. improved mileage?
Forum Discussion
Here is an interesting read I just found on the topic. It uses a K&N drop in versus OEM on a diesel.
Effect Of OEM Style And Aftermarket Performance Air Filters On
Vehicle Parameters.
Effect Of OEM Style And Aftermarket Performance Air Filters On
Vehicle Parameters.
