YES IT DOES MAKE A DIFFERENCE!
I had a MK5 DSG come in to me with a set of Eibach coilovers, had problems with scrubbing on the front despite removing the arch screws and raising the spring plate quite high. The front end would dive under braking and weight transfer across the front of the car when braking into a corner was awful.
Springs were for a totally different axle weight car, £150 later some replacement coil springs were fitted and the difference massive.
However, you could buy the kit and fit the correct springs if they cause an isseue