Reviewed By John C (Oviedo, FL) Reviewed for a 2006 Subaru Impreza WRX —7/8/2008 8:15 PM
I went from 13.8 to 19.5 mpg towing a trailer. I am up to 23.6 mpg on the highway w/o a trailer. On top of that the added power is unreal. I am sorry I waited so long to get it.