It eliminates the delay from your electronic accelerator pedal, resulting in much faster acceleration. You can save up to 20% in fuel economy using Eco Mode. It comes with 36 sensitivity settings so you can fine-tune to your personal preference. It does not void any warranty or leave any traces on your ECU. It's an easy plug-and-play installation that takes only a couple of minutes. It is now Bluetooth enabled so that you can control the unit from your phone using the Pedal Commander App. We offer a 30-day money-back guarantee in case you are not happy. (You will be) It comes with a 2-year product warranty in case anything goes wrong.