aFe Scorcher GT Module 15-18 Ford Focus ST I4-2.0L (t)aFe Scorcher GT Module 15 18 Ford Focus ST I4 2. 0L (t) A simple 5 minute install gains you a huge increase in power. The aFe Power SCORCHER Module is designed to alter the pressure sensor signals to increase boost to an optimum level throughout the entire RPM range. The result is increased performance and improved throttle response across a broad power band as well as reduced turbo lag. In recent testing these modules produced +30 horsepower and up