Lancia dominated the rally scene between 1987 and 1992 thanks to the superiority of its Delta Integrale. The four-wheel drive car with a turbocharged engine won six constructors' titles and four drivers' titles, divided equally between Juha Kankunnen and Miki Biasion.
But that Cesare Fiorio project, developed in the Martini Team by manager Claudio Lombardi and Ninni Russo, also raised a wave of suspicion among his competitors. "We had a device with which we listened to what was being said in the cars. On one occasion, without intending to, I heard Lombardi ask: Has the intervention been done?"