If there’s a European Chrysler to mess with, you know Brabus’s Startech geeks will show up with slide-rule in hand. This time, they’ve set upon the Jeep Commander CRD, creating an add-on performance processor, the SD6, which — along with a stainless-steel sport exhaust — boosts horsepower to 262 (from 218) and torque to 427 ft.-lbs (from 376).