link?
godspeed = bigtom = cxracing no?
edit: found link:
http://www.godspeedproject.com/bmw-1...-kit-version-2
For $600 I would go with the 4'' cxracing but that is me. One of the ST guys likes his. If you didn't want the cxracing why not go with the 7'' thick VRSF? Less expensive & deeper.