"K&N Engineering, Inc. (K&N), has determined that the air delivery tubes in certain K&N Fuel Injection Performance Kits sold for aftermarket installation on certain Dodge trucks and SUVs contain a defect related to motor vehicle safety. K&N is conducting a voluntary recall program to replace those parts."

http://www.knfilters.com/FIPK/tuberecall.htm

This isn't the first time I've heard this about these kits, I haven't seen anything happen as a result of using these kits on any Dodge truck