See videos which show the performance, before and after an ECU remap. Dyno tuning is the only true way to test and measure the results, and to ensure your 4WD has been tuned correctly.
Range Rover Discovery 4 ECU Re-map
Ford Territory 2.7 V6 ECU Re-map
Ford Ranger ECU Re-map
Mitsubishi Triton ECU Re-map
Mazda BT-50 ECU Re-map
Toyota HiLux ECU Re-map
Toyota Prado ECU Re-map
Toyota Landcruiser 200 Series ECU Re-map
Nissan Navara D22 2.5 ECU Re-map
Nissan X-Trail ECU Re-map
Nissan Patrol ECU Re-map
Isuzu D-Max ECU Re-map
Isuzu MU-X ECU Re-map
79 Series ECU Re-map
Mitsubishi Challenger 2.5 ECU Re-map
Range Rover Sport ECU Re-map
Toyota Landcruiser 76 Series ECU Re-map
Jeep Grand Cherokee ECU Re-map