M&M Honda | Vortex Generator Window Cover | Honda Civic Type R | FL5 2.0T K20C1 | 2023+M&M Honda offer the Vortex Generator Window Panel to users who seek even more individuality for their CIVIC FL5 and desire high speed driving on circuits. When air flows along the body surface, negative pressure is created in the flow velocity, which has a negative effect on aerodynamics and creates vortices at the rear of the body when it passes the rear end of the vehicle. This vortex becomes resistance. In order to control aerodynamic