In the case of Sauber’s clever exhaust solution, Red Bull simply rolled out a copy in the days before the 2012 season.

Writing in O Estado de S.Paulo, Brazilian correspondent Livio Oricchio said the Sauber philosophy makes ingenious use of something called the ‘Coanda effect’.









BMW-Sauber boss Mario Theissen on Tuesday confirmed that the Swiss based team will use a “multi-level diffuser” for the first time in Turkey in two weeks. 


The ‘double’ diffuser scheduled to be added to the Red Bull package at Monaco will not be the definitive version, team boss Christian Horner has revealed. 
BMW-Sauber on Thursday finally announced it has formally dropped its protest against the legality of rear diffusers.
Force India will use an ‘interim diffuser’ for its 2009 car at this weekend’s Bahrain grand prix, team head Vijay Mallya has revealed.

McLaren rushed an interim ‘double diffuser’ onto Lewis Hamilton’s car for the Chinese grand prix weekend.