Oxygen Sensor Eliminator 45° Mini Catalyst (for 300 CPSI catalyst) Brand: WAGNER Tuning Type: Universal Model: Oxygen Sensor Eliminator Delivery: Oxygen-Sensor-Emliminator / Spacer (45°) (for 300 CPSI catalyst. Works well for vehicles with cat-control function to avoid an error in the system in general. (Please note that a 100% guarantee can´t be given that the cat monitoring of your vehicle does not report any errors!)