It allows you to daily drive a car with a tune that only fuel like c16 can beat and it only costs 3.20 - 3.50/gallon. There are drawbacks and things that have to be done so you can use it, so don't anyone think you can just put it in your car and it will run.
2015 F150 4x4 3.5 Ecoboost
2002 Camaro SS, new turbo install in progress...
2005 Neon SRT-4, Big wheel stage 3, E85