Applications: 2003-2006 Subaru Baja 2.5L Downstream 1999-2004 Subaru Forester 2.5L Downstream 1999 Subaru Impreza 2.2L Downstream 1999-2004 Subaru Impreza 2.5L Downstream 1999 Subaru Legacy 2.2L Downstream 1999-2004 Subaru Legacy 2.5L Downstream 2000-2004 Subaru Outback 2.5L Downstream ? Package Included: 1 * Oxygen Sensor ? Q & A: What happens if you drive with a bad oxygen sensor? A bad oxygen sensor could cause sluggish and rough driving with stalls, along with poor fuel efficiency and high pollution. .
