How much does this cost to the nearest dollar?

Jet Performance Jet 15008 Performance Programmer
JET Performance Programmer fits GM vehicles including trucks and camera V-8. The JET Performance Programmer Plus lets you take control and program your own vehicle computer to match your driving style. JET‘s exclusive Tri-Power tuning allows you to program for performance using lower cost regular octane fuel, or for optimal performance gains you can program for midgrade or premium fuels. All three tuning modes are designed to operate the engine at peak efficiency based on the octane level being used to improve horsepower and mileage. The advanced technology and design of the JET Performance Programmer Plus gives you the ability to modify air and fuel ratios, ignition timing, shift points, shift firmness, speed limiter and rev limiter settings. The programmer will also correct your speedometer

Price is $323.00
Price: $322.55