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McLaren MP4-24 - rear diffuser design 30 January 2009

McLaren, Ferrari, Renault and BMW Sauber have all made very literal interpretations of the revised 2009 rules regarding the rear diffuser. All of the channels are the same height and length, with no difference in height between the main central section and the side channels. This contrasts with the designs of Toyota and Williams (see subsequent illustrations), which interpret the new regulations slightly differently.