We offer a wide range of engine management software upgrades and remaps to help you combat ever rising fuel bills, We can increase the performance on almost every make and model of vehicle, from prestige to performance cars, as well as everyday fleet vehicles, work vans and motorhomes.
All JFN engine management software upgrades are tailored to your specific needs, whether you’re looking for better fuel economy or greater performance. You can unleash the full power potential of your engine and optimise acceleration either moving heavy loads or simply for fun!
UP TO 35% MORE POWER
JFN upgrades provide up to 35% more engine power
UP TO 35% MORE TORQUE
Our ECU upgrades deliver more engine torque
QUICKER, SMOOTHER RIDE