A vehicle air drag reduction system using louvers is provided comprising at least one louver strip. Such strip has a top face, a bottom face, and a periphery formed therebetween. The louver strip further includes a coupling mechanism for allowing the coupling thereof to a body of a vehicle. A plurality of louver tabs are also provided having a long side edge thereof integrally coupled to the louver strip. Each louver tab extends upwardly and rearwardly thereby forming an acute angle with respect to a plane in which the louver strip resides.