You may try out GT Radial Champiro HPY. It's the flagship model from GT Radial and in the same league as the N8000. Costs about 350 per donut for 225/45R17. Not sure if they have for 215.

Have done about 6k km on my ride and the silence, comfort and grip is just excellent. Most importantly it's affordable.

You can check with Quicksave USJ.