Thanks to eddypeck.
Kamei were (are) an aftermarket supplier of styling accessories.
The Kamei Bonnet Scoop is a popular item.
(https://farm3.staticflickr.com/2736/4299391512_13c41f5d0d.jpg)
Spoilers, grills and full body kits were available.
Such as the X1 kit
(http://3.bp.blogspot.com/_LNxm510hgq8/TNKaFLgZc1I/AAAAAAAAA7c/o7huQgBQAQc/s1600/kamei+002.jpg)
(http://kamei.de/res/img/common/de/unbenannt-12.173.jpg)
(http://img.photobucket.com/albums/v165/sumpsfast/GTI/Kamei%20GTI/image.jpg2_zpsoeyl4xyx.jpg)
And the Dynamite edition, for Willy Bogner's action film 'Fire, Ice & Dynamite'
(http://www.3dzubehor.com/webpics/dynamite1.jpg)
(http://www.3dzubehor.com/kamei/img0083.jpg)
(https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcS2vY6sQkj2spNGyR_cWA26QLJsM_T7oFxY_NX6hBlOCHT_TdP7DQ)
(http://kamei.de/res/img/common/de/unbenannt-11_177.2262.jpg)
(http://kamei.de/res/img/common/de/golf_crosscountry_174.2259.jpg)
More info on the Kamei Story http://kamei.de/kamei-story_subID-5_en.html
For bonnet scoop see also Metaplast (http://www.vwgolfmk2.co.uk/forum/viewtopic.php?f=149&t=46857).