In a device for cleaning vehicular exhaust gas, in particular a diesel exhaust particle filter, the individual bodies which together constitute a one-piece filter body, are arranged so as to have an oblique angle with an axis of symmetry of the filter body and/or with the horizontal plane, here in relation to the installation condition of the device in the vehicle and/or an underside of the filter body having a reduced curvature compared to portions of the outer contour adjoining the underside.