Horsepower Factory offers Subaru Impreza WRX owners the opportunity to give their car a meatier exhaust note, improved performance, and improved fuel efficiency. Horsepower Factory Subaru WRX 2007-2013 Type 2 35kW kit – information on kit: The Subaru Impreza WRX is, hands down, one of the best bang-for-your-buck cars currently […]