http://www.gtechpro.com/
Any thoughts on this? It only hooks up to the cigarette lighter.
"The G-Tech/Pro SS is a cutting edge tuning tool designed to make a professional test driver out of you. It measures Horsepower, Torque, 60 ft times, 1/8 and 1/4 mile times, 0-60 & 0-100-0 mph, RPMs &...