In addition to the different power levels, German tuner Arden offers for all Jaguar 4.2 liter and 5.0 liter supercharged engines, an additional ECU, which eliminates the speed limit of 250km/h.
Next to that they offer a speedometer up to 320km/h. The dial can be individually customized in color and provided with the customer’s initials. The V-max deregulation is available as a package with the speedometer as well as separately from € 1,650.