CAR GARAGE | MINI Coupe John Cooper Works by DuelL AG (2013) | Using the MINI John Cooper Works Edition Coupe for the build, Duell AG built a sick-looking aerodynamic kit for the German MINI That comes with a bevy of modded parts, Including a louvered hood That has been set on both sides, just above the fenders . Duell AG opted to keep the MINI JCW Coupe's performance numbers Untouched, the which means That you can expect the car's 1.6-liter four-cylinder petrol engine to an impressive 208 horsepower Produce. For a car That looks as aesthetically endearing as the MINI JCW Coupe, Duell Ag did a Masterful job in giving the German vehicle some serious attitude.