G-Force Performance Chips | GFChips.com
Consumer Report
Yeah I bought it for my Subaru Impreza i was geting about 24 mpg I got it to see if i can get more mpg but end up loosing gas, horse power and 8 mpg now i get 17 miles per gallon and haven't heard anything from them when trying to contacted its a scam. Don't buy from them u wont get you're money ...