( American - Toyota - Korean and most cars ) - Computer inspection - Adjusting the cutoff - Opening RPM - Misfiring - - Cancelling the 4-cylinder system - Programming fans + programming fan suspension - Raising RPM while standing - Pedal response - Opening torque for the gearbox - Programming backfire - popcorn - Fast - slow switches - Cancelling the check engine light for catalytic converters - Cancelling the security - Programming tire size - Programming for increased torque and performance Etc. ((WhatsApp communication))