Power gains of up to 80hp to the wheels on a stock vehicle!!
The JB4 is the most advanced and highly featured tuning system available for your A90 Toyota Supra. Power gains are up to 80hp to the wheels (100hp crank) on a completely stock car on pump gas for a B58, gains with bolt on parts, higher..
Monitor your 0-60mph, 60-130mph, 100-200kmh, 1/4 mile, 1/2 mile performance, and more!
Dragy uses high speed GPS satellites to accurately measure your vehicles performance within 1/100th of a second, producing identical results to the much more expensive and cumbersome VBOX system, in a les..