Subaru WRX Performance 


"Power without compromise, that's what we like to see".

Fast Fours and Rotaries Magazine 


MY01/MY02 Performance systems

We are passionate about high performance for the All Wheel Drive Subaru WRX/STI  Impreza. 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 WRX/STI engine power.

Whether it be riding a tidal wave of torque with a complete, engineered power-up package, or individual components, we have the products and expertise you need to significantly enhance your WRX/STI.

You can rely on every APS component to be innovative in design, engineered to exacting standards and race proven to ensure absolute reliability.  


The APS web site is currently undergoing significant changes in order for us to better service our customers. Due to the variations in vehicle specification around the world, we have grouped our vast range of performance products into vehicle region specific web pages.

Please select your vehicle specification from the list below. You will be taken to the appropriate web page, which includes all products we offer to suit your requirements.