As part of its large update package in Germany, Toro Rosso has introduced a new rear brake duct, which features several new fins mounted to the pre-existing vertical fence. This new cluster of winglets features three flaps (highlighted in yellow) that help to guide the airflow up over the rear wishbone and shape the wake shed by the rear tyre. Previously, part of the brake duct was formed by the upper wishbone (below) but this has been abandoned with the introduction of the winglet stack. Scuderia Toro Rosso STR11 rear detail Photo by: Giorgio Piola In order to achieve the same level of brake cooling a new vertical duct has been added to the vertical fence (arrowed, above).
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