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does it do any performance things ...or tell you the performance like HP /Tq or anything? what years does the app work for?
All vehicles that have the OBDII connection. Doesn't add any HP, but it can tell you 1/8 to 1/2 mile times, 0-40 to 0-100 times. Can read out hp at the wheels and torque, but it won't read out on my truck.