i have done it as well but the car just follows the last cell. the map and maf just peg and max out. just makes tuning easier for big power cars
BULLSEYE POWER FANBOY #001
so where do i get it, i know nothing about this Trifecta stuff
2007 Cobalt SS G85, Harrop 1320LSJ 2.8"
1989 20th Anniversary Turbo Trans AM #82
Google trifecta tuning. You can order it from his website or find a dealer in your area.