Hypertech Max Energy E-CON 53002 fuel economy power programmer for 2005-2008 Chrysler 300C 5.7L Hemi. Hypertech's new Max Energy E-CON fuel economy programmer extracts every bit of energy possible out of every molecule of fuel to give your vehicle exactly what it needs, more miles-per-gallon at part throttle and more power at wide open throttle! Easy plug and play installation. Optimized tuning for regular gasoline. You can read and clear diagnostic trouble codes and turn off "check engine" lights. Allows software updates over the internet (USB cable included). Return the vehicle back to stock settings or change option settings at any time. The Hypertech E-CON can be upgraded (at additional cost) for features like top speed limiter and rpm rev limiter adjustment. Speedometer and odometer correction. Transmission shift points and firmness. Cooling fan "on/off" temperatures. 2005-2008 Chyrsler 300C 5.7L fuel economy programmer Hypertech 53002 E-CON H53002APPLICATIONS:: 2005-2008 CHRYSLER 300C 5.7L HEMI We welcome CANADIAN customers! For ordering information, click on "Orders To Canada" at the top left side of this page. PAYMENT METHODS: PayPal, Visa, Mastercard, Discover, American Express, money orders.