Suggested Retail:$262. ACCEL Supertuner. This simple single-touch tuner can optimize gasoline and diesel engines for the best performance and fuel efficiency. It's also capable of downloading and storing one stock tune before the power tune is uploaded. Plus it's 50 state legal. All vehicle applications contain E.O. numbers from the state of California. The Accel Super Tuner covers GM, Ford, Dodge, Jeep and Ram with a single SKU. HD 2.8” color screen with updated interface for easier and faster modifications.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.