Mario Isola says Pirelli would be ready to compete with another tyre manufacturer in Formula One but has warned against the cost a tyre war would generate.
Pirelli has been F1's sole tyre supplier since the start of the 2011 season. The sport last had two tyre suppliers back in 2006 where Bridgestone and Michelin competed against each other.
"If they decide to come back to this situation as we said in the past, we are ready to face also this new challenge,'' Isola said. "It is a new challenge because if you're a sole supplier you have some targets.