Understanding chip tuning and ECU remapping for car performance upgrades

Chip tuning and ECU remapping both enhance car performance by altering factory settings, but they use different methods. Chip tuning involves physically replacing or reprogramming a chip in older ECUs. Remapping uses OBD ports on newer cars to modify software directly, offering more customization. Remapping is preferred for its flexibility and reversibility, while chip tuning is an older, less adaptable method often used for older vehicles. Both can void warranties and affect emissions compliance.