Works with many makes and models, but generally has to be a V8. It was programmed for a 2016 Challenger 5.7 hemi…Holley will wipe it clean, different makes have different parameters for use. If you go to holley.com… then click on DiabloSport you can find out if it will work with your vehicle. It has a 93 Octane Tune, CAI-93, and 3 more tunes already loaded on it, you can adjust air-fuel ratios, shift points, suspension, and much much more. Holds up to 50 tunes for all makes and models. You have to purchase the licenses from DiabloSport, but they’re available. Check and clear diagnostic service codes. And interface it with your laptop for data logging. $475 new and Holley/DiabloSport will give it a new registration number in your name as well.