K&N 87-92 Supra MK3 TURBO ONLY FIPK Air Intake KitThe K&N 57 9004 FIPK air intake system replaces the restrictive factory air filter and air box in some Toyota Supra models. K&N intakes are designed to dramatically reduce intake restriction and improve 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 9004 air intake comes with a chrome topped K&N high