Updated list of cars! Send me a PM if you are interested.
High Priority:
2005-2009 Subaru Legacy GT
2008+ Subaru WRX (not STI)
2011+ Chevrolet/GMC 6.6L Duramax
BMW 335i or 335xi E9X
2001 Chevy w/ 6.6L Duramax Engine (LB7)
2004.5-2005 Chevy w/ 6.6L Duramax Engine (LLY)
1979-1993 Ford Mustang GT
2000-2006 Honda S2000
2004-2008 Mazda RX8 (6spd preferred)
2007+ Mini Cooper S (turbo model)
Mitsubishi EVO 8/9 (running high HP)
2006-2009 VW Golf GTI