The invention relates to a rear part (1, 50, 100) of a vehicle comprising a rear facade (10, 60, 110) provided with at least one air extractor (2, 3) and an outlet ( 8) of exhaust gas placed under said at least one air extractor (2, 3). According to the invention, the rear part of the vehicle comprises at least one deflector (53, 103) installed in a bodywork element (51, 101) of the rear facade (10, 60, 110), the deflector (53, 103) emerging from said facade (10, 60, 110) towards the rear, in an area between the gas outlet (8) and said at least one air extractor (2, 3).
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