Even legendary drifter Ken Block gets it wrong from time to time. Fortunately though, through trial and error, his team has come up with ways to minimize the damage should things go wrong on the day. The wheels on his Ford Fiesta H.F.H.V, for example, manufactured by Fifteen52, are engineered to sheer on impact, since replacing a wheel is easier that replacing a control arm, subframe or worse.
“During filming for “Ken Block AWD Drifts Formula DRIFT Irwindale” Block was asked if he could ride the wall. Having no bashbar behind the bumper, and no trunk for overhang like most drift cars, he was forced to to go in wheel first… This was the result…”
Source: Hoonigan.com