K&N's lifetime replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. The air filter is custom-designed to fit into your existing factory air box and the drop-in design means adding performance is simple. The unique design of the air filter features multiple layers of cotton fabric which capture airborne dirt particles. The filter is washable and reusable and can be easily cleaned and oiled. It lasts up to 50,000 miles before cleaning is needed.
A high-flow, washable filter that delivers the maximum amount of air possible into your engine while providing superior filtering
Multiple layers of cotton fabric sandwiched between pleated aluminum screen capture airborne dirt particles
Improves horsepower and torque
Emission legal in all 50 states, will not void manufacturer's warranty
Filters can be cleaned over and over, and are backed by a million mile limited warranty
Wrong filter for Prius Contrary to what the "Part Finder" tool tells you, this filter does NOT fit the 2006 Prius. The correct filter according to K&N's web site is the 33-2329. ...more info