Air Intake Filter Kit for Infiniti J30 (1993-1997) 3.0L EngineOptimize Your VG30DE Breathing: High Flow Intake for 1993 1997 Infiniti J30 Who Its For: Designed specifically for Infiniti J30 owners running the legendary VG30DE engine family. If you are looking to wake up the throttle response on your Y32 chassis, this is the fundamental first step. The Problem: The VG30DE is a stout, high revving DOHC motor, but in the J30, it was hampered by a factory air box designed more for luxury silence than performance.