This comprehensive Subaru Impreza G3 WRX STI Service and Repair Manual provides detailed instructions and technical specifications for all aspects of maintenance and repair for your 2012-2014 Subaru Impreza G3 WRX STI. This manual is designed for professional mechanics and DIY enthusiasts, offering an in-depth understanding of every system within your vehicle. From routine maintenance procedures like oil changes and filter replacements to complex repairs involving engine, transmission, and electrical components, this manual covers everything you need to keep your Subaru running smoothly. The manual is meticulously organized with clear diagrams, detailed instructions, and troubleshooting tips to guide you through every step of the process. This essential resource empowers you to diagnose issues, perform repairs effectively, and maintain the optimal performance of your Subaru Impreza G3 WRX STI.

The Subaru Impreza G3 WRX STI, produced from 2012 to 2014, represents the pinnacle of performance for the iconic Impreza platform. This generation of the WRX STI marked a significant leap forward in both power and handling, cementing its reputation as a formidable rally-bred sports car. Under the hood, the STI houses a 2.5-liter turbocharged EJ25 boxer engine, delivering an impressive 305 horsepower and 290 lb-ft of torque. This powerplant, paired with a six-speed manual transmission, propelled the STI to exhilarating performance with a 0-60 mph time of around 5 seconds. To manage this newfound power, the STI boasts an advanced all-wheel-drive system with a driver-selectable center differential, allowing the driver to tailor the power distribution for optimal grip and handling. The suspension, with its custom-tuned Bilstein dampers and stiffer springs, provides exceptional handling and stability, making the STI a true joy to drive on both the racetrack and winding roads.

The Impreza G3 WRX STI is characterized by its aggressive styling, featuring a wide body with prominent fender flares, a large rear spoiler, and a sporty front bumper with distinctive air intakes. Inside the cabin, the STI boasts a driver-focused cockpit with supportive Recaro bucket seats, a leather-wrapped steering wheel, and a comprehensive gauge cluster, including a boost gauge to monitor the engine's turbocharging performance. The WRX STI was also equipped with advanced safety features such as electronic stability control, anti-lock brakes, and an array of airbags, ensuring both driver and passenger safety. The Impreza G3 WRX STI's combination of raw power, exceptional handling, and rally-inspired design made it a highly sought-after sports car, captivating enthusiasts with its thrilling performance and distinctive character.