Actually, they are two cup kits for gti/a3 available:
The Cup Kit, which lowers 2.2/1.6" front/rear. part #31043-2
The Touring Cup Kit which lowers 1.3/1.3 front/rear. part #31043T-2
I guarantee this is the touring kit; I ordered this earlier today.
Take a look at others that have the sport springs installed. Also, the regular Cup Kit has a good rake to it; there is very little here.
H&R specs are based off stock US spec vehicles. A 2.2" drop is a 2.2" drop from stock. Not sure on your math computations unless the OP has a Euro GTI or unavailable Euro GTI springs.
Anyhow, that is exactly the look I am going for on my BMP. Thanks for sharing.