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McLaren MP4-20 - front wing 21 May 2005

Aero changes for Monaco include the addition of a vertical fin under the main profile (in yellow), acting as an airflow splitter, and a change to the shape of the lower channel on the endplates (in orange). The channel now has a flatter upper edge (previously semi-circular). The modifications help reduce the car's pitch sensitivity, improving its front-end sharpness, which is vital in the tight corners of Monte Carlo.