McLaren: Exhaust development not out of hand

McLaren technical director Paddy Lowe says he sees nothing wrong with the intensive development work being carried out by leading teams on the designs of their exhaust exits and related rear bodywork. The FIA placed much tighter restriction on the location of the exits ahead of the 2012 season, effectively outlawing exhaust-blown diffusers, but that hasn't stopped teams finding ingenious ways to channel exhaust flow to boost downforce

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