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Page last updated at 12:41 GMT, Sunday, 27 June 2010 13:41 UK

Formula 1 explained - the blown-diffuser

Ted Kravitz & Mike Gascoyne look at a blown-diffuser

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Lotus's Mike Gascoyne explains the blown-diffuser exhaust system to BBC Sport's Ted Kravitz, an innovation that has given Red Bull such an advantage in the 2010 F1 season.

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