This comprehensive Subaru Impreza STI 2004 Factory Service Repair Manual provides detailed instructions and specifications for every aspect of your vehicle's maintenance and repair. From routine servicing like oil changes and filter replacements to complex procedures involving engine, transmission, and suspension components, this manual covers it all. You'll find detailed diagrams, clear instructions, and comprehensive troubleshooting guides to help you tackle any issue with confidence. With this essential resource, you'll have everything you need to keep your Subaru Impreza STI running smoothly and reliably for years to come.

The 2004 Subaru Impreza WRX STI, a legendary performance car, is a testament to Subaru's dedication to building high-performance vehicles with rally-bred heritage. This model marked a significant evolution in the STI lineage, introducing a refined and more potent powertrain, an advanced suspension setup, and a host of aesthetic enhancements that further emphasized its aggressive and sporty character. Under the hood, the Impreza STI boasted a 2.5-liter turbocharged Boxer engine, delivering a thunderous 300 horsepower and 300 lb-ft of torque. This engine, paired with a 6-speed manual transmission and Subaru's renowned symmetrical all-wheel drive system, propelled the STI to exhilarating performance figures. The STI's hallmark "boxster" engine layout, renowned for its low center of gravity and balanced handling characteristics, made it a true driver's car, offering precise steering and exceptional cornering capabilities. The 2004 Impreza STI was not only about raw power but also about meticulous engineering and driver-focused design. The suspension, featuring Bilstein dampers and adjustable coilovers, was specifically tuned for optimal handling and control, allowing the STI to conquer any road or track with ease. The STI was a statement of performance and individuality, featuring distinctive styling elements like a prominent rear wing, aggressive front bumper, and unique STI badging. Alongside its sporty exterior, the STI featured a well-appointed interior, offering comfortable and supportive seats, a sporty steering wheel, and a functional dashboard design that prioritized driver-centric ergonomics. The 2004 Subaru Impreza WRX STI was a standout car in its time, attracting enthusiasts and drivers who craved a thrilling and engaging driving experience. Its powerful engine, sophisticated handling, and purposeful design cemented its place as a true performance icon, making it a coveted collectible and a favorite among car enthusiasts to this day.