K&N 57i INDUCTION KIT SUBARU IMPREZA 2.0 93-97 JAP WRX

K&N users would probably be surprised by the amount of air filtration testing and scientific research that goes on in K&N facilities as well as in independent laboratories. As the leader and originator of the high flow performance air filter K&N are always looking for new ways to provide excellent protection and maximum power for your car or just about anything else with an engine. In 2008 more than 1600 vehicles have been tested by K&Ns Research and Development group on dynamometers in the US the United Kingdom and the Netherlands. In addition to these power and torque tests K&N have also performed more than 110 filtration tests and more than 1200 air flow tests with their in-house state-of-the-art test equipment.