Extruded flap for a device for shutting off an air inlet of a motor vehicle front end

A flap for a shutter device for shutting off an air inlet of a motor vehicle front end, comprising a profiled flap body that has an oblong shape, is extruded and extends along its axis of rotation, said profiled flap body including a front wall, which is intended to be arranged in opposition to an air flow when the flap is in a closed position, and a rear wall, which is opposite the front wall and is intended to be connected to at least one retaining device borne by the shutter device, the rear wall including a groove extending concentrically to the axis of rotation of the flap, the front wall and rear wall being connected edge to edge and delimiting an inner cavity, said flap further comprising an end piece at each of ends of the profiled flap body, said end pieces including an inner portion inserted into the cavity in the profiled flap body and an outer portion that extends beyond said profiled flap body, wherein at least one end piece of said end pieces includes a hooking finger, said hooking finger protruding from the end piece along the axis of rotation and being inserted within the groove in the rear wall, said hooking finger including at least one tooth that is intended to be embedded within said groove, said at least one tooth being oriented so as to prevent the at least end piece of said end pieces from being removed from the profiled flap body.