ProSport 2-1/16" JDM Wideband Digital Air Fuel Ratio kit PDM_axle-back-exhausts Fits the 2005-2009 Subaru WRX

Fits the 2005-2009 Subaru WRX with EJ20T and automatic transmission

The engagement character is noticeably better than the OEM unit on higher-mileage cars

and hardware for the complete installation are included

If you're second guessing your AFR's under boost

ProSport 2-1/16" JDM Wideband Digital Air Fuel Ratio kit PDM_axle-back-exhausts Fits the 2005-2009 Subaru WRXInstallation Instructions Setting Warning Mute Complete Wideband Air Fuel Ratio kit JDM Series (Japanese Dual Movement) 52mm (2 1 16") This one gauge will display Amber and White Analog and Blue Digital at the same time. Includes 0 5 volt output signal for data logging Utilizing the latest Bosch wideband O2 sensor with a 5 wire heated LSU 4. 9 (Prosport Inc. is the only one in the USA to use them) our gauge now has the widest range 10. 0: 1 to 20. 0: