Not disabled the emissions controls, but deliberately remapped it to grossly overfuel at large throttle settings. Why people want to trade off power for a big

Not disabled the emissions controls, but deliberately remapped it to grossly overfuel at large throttle settings. Why people want to trade off power for a big cloud of black smoke is beyond me, but there we are. If they want to get 50bhp from a nine litre engine, that's their concern.