Sebastian Vettel’s dominance is being powered by a clever post-’exhaust blowing’ solution, a specialist Italian magazine claims.

After the reigning world champion extended his 2013 points lead with a dominant performance in Singapore, former F1 team boss Giancarlo Minardi raised doubts about the legality of Vettel’s Red Bull.

Minardi, watching trackside at Marina Bay, said Vettel’s car displayed worryingly good handling, while his Renault engine “sounded similar to past seasons when traction control went into action”.

Indeed, Autosprint has now revealed an exclusive video that click here for more