Enhance your Subaru WRX's performance with our brand new pre-cat O2/AF sensor, designed specifically for the 2009-2010 2.5L Turbo models. This original quality part ensures optimal engine efficiency, leading to improved fuel economy and reduced emissions. Enjoy peace of mind with a 2-year local Aussie warranty. Please note that while the sensor's appearance may vary slightly, its functionality remains top-notch. Upgrade your ride today and experience the difference.