Troller remap tuning

Troller remap, chip tuning and OBD tuning. Troller diesel tuning and petrol. Better torque and MPG. Increase effect and horsepower. ECU remapping or chiptuning for Troller diesel and petrol. Gain power and torque with engine tuning, remap and diesel tuning. Also DPF removal and EGR removal and OBD tuning.