2003-2005 Model Subaru STI - Australian Specification We are passionate about high performance for the All Wheel Drive Subaru STI. Drawing on 20 years of turbocharging and intercooler system design and production knowledge, our mission is to produce the very best high performance systems and components to significantly enhance MY03 STI engine power. APS is proud to announce the latest in APS High Output Systems for the MY03 STI. You can rely on every APS component to be innovative in design, engineered to exacting standards and race proven to ensure absolute reliability and you can rely on Autotech Engineering to provide you with the best installation and service for all APS WRX components. When modifying your WRX you can chose from specially developed kits or individual components.                                       Come and see what Autotech Engineering can do for your STI... Complete systems designed and engineered for Australia's unique conditions. Click logo for info Individual Components for 2003-2005 Model STI If you would like further informatio on the kits and components for the Subaru WRX and STI, please do not hesitate to contact Autotech Engineering via email on sales@autotechengineering.com.au or by phone on (02)9897 1378