K&N 08-09 Dodge Caliber SRT-4 (L4) 2.4L Performance IntakeThe K&N 57 1560 FIPK air intake system replaces the restrictive factory air filter and air intake housing in some Dodge Caliber SRT 4 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 1560 air intake