Lowering the car will affect the shock travel, therefore the shock won't perform as well. Shocks are designed to work with stock spring height and not specifically designed for lowered vehicles, unless you go with tokico's coil over kits but those cost considerably more. However on a midly lowered car, I'd say up to 1.5 inch drop, the shock will perform adequately. I run them with my steeda springs and the ride is very tolerable.