K&N Performance Intake Kit FIPK; CHRYSLER PT CRUISER, L4-2.4L TURBO, 2006The K&N 57 1551 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Chrysler PT Cruiser Turbo 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. More air means more usable power and acceleration throughout the engine's RPM range. The 57 1551 air