Given the high temperatures in Malaysia, on top of any performance upgrades every car has some bodywork changes simply due to the greater cooling demands at Sepang.
The long straights and big braking zones also mean that brake cooling is increased, with the brake ducts also aimed at venting the hot air away from the wheel because thermal tyre degradation is likely to be a factor this weekend.
Most teams' brake ducts enclose the disc and route it directly out of the wheel without passing over the inner rim. On the rear brakes, heat will also be directed out of the inner face of the wheel rim as reversing the flow in this way also keeps the heat from the brakes away from wheel.
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