i got and sts kit and i have a PI 3000-3200 triple disc stall on mine, It is fine normal driving, the only thing you really notice is it locking up when you get to about 40-45mph, but i can leave the line with about 5# of boost in my high setting at 3000 rpms...
2004 silverado SS ,STS Turbo Gt-67 , TRT FMIC , Meth kit , 42lb injectors, patriot valve springs,Transgo shift kit, servos, built tranny ,e-fans and harness, e boost controller,3000 PI vigalante stall street tuned by F-body central Bret shook. needs to get on a dyno or track soon...