Regards ... where i can buy skoda superb spoiler like on picture?

It was available as an accessory through skoda dealers. Not sure if it still is though. If I recall correctly it was around 250.00 pounds plus painting and fitting!! Expensive bit of kit!!

A lot of money for a bit of plastic, plus would it have a hole for the second set of exhausts? If you only have the standard exhaust you would need to change that or put some sort of extension on the end etc. Seems a lot of hassle to me.

Would that not lower the rear bumper and you would then need to get side skirts etc? Problem with that is getting some side skirts and all that jazz. But each to their own and all that.