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A comparison between front wings used in the US and Hungary illustrate the differing requirements of the two tracks. Indianapolis features one very fast section - the final banked turn and long main straight - and one very slow section - the winding infield. The US wing thus has a smaller flap with no Gurney tab, reducing the overall downforce generated, but also guaranteeing a high top speed. For the slow, twisting Hungaroring the accent is on generating enough grip to the tyres. Hence the wider flap, with Gurney tab, to increase maximum downforce.