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Toyota TF109 - rear diffuser design 30 January 2009

Toyota's diffuser makes a very interesting interpretation of the revised 2009 rules (and one that has already prompted speculation regarding its legality). By exploiting regulations that allow extra bodywork within a 150mm zone in the centre of the car, the team appear to have cleverly shaped the TF109's rear crash structure (upper red arrow) so that it effectively lengthens and heightens the diffuser's central section, which also features a very low splitter at its base (lower red arrows).