ETC Enterprises has teamed up with General Motors to debut Top Tuner 5 and Top Tuner 5.5 at the 2011 Canadian International Auto Show.
Source:
worldcarfans Tuning
https://www.tuning-links.com/news_1171_Top+Tuner+Chevrolet+Corvette+and+Cruze+previewed+by+ETC+Enterprises.html