The K&N 57-1531 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Chrysler PT Cruiser models. K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. Guaranteed to increase horsepower Designed to improve throttle response and engine sound Lasts up to 100,000 miles before service is required (depending on driving conditions) Easy to install, usually in 90 minutes or less
