There is a guy with a Cougar (Shagmonkey on NECO) in the UK (2.5L V6) that had a custom supercharger put on. It was a procharger unit. Maybe their shop would be interested in selling more kits... Here is the link to it:
http://newcougar.org/forums/showthread.php?t=97621
Otherwise I'm working the bugs out of a supercharger kit that will be forsale here in the US. Here's the link to that post:
http://newcougar.org/forums/showthread.php?t=97097
There was a turbo kit available for the 2.5L V6 but it was too expensive so it didn't sell very well. The US Company stopped selling it and will be coming out with a cheaper version. Their web site is:
www.arizonadynochip.com
For Contour Performance Parts check the links section of this forum from the main page. Click on the company pages down below. Some sites have since closed shop but SP motorsports has some good parts and a few others do as well:
http://www.contour.org/links/ 
