so far ive got jet programmer (for now) high flow cats dual in/out 40 series cai vortec box delete and throttle body mod sk4L60e shift kit vette servo open diff with 3.42's and running 275/60/15's pacesetter shorty headers are soon to come also have a stock lt1 cam and ls2 beehive springs in line along with a port n polished throttle body truck is my dailey driver with 212,*** miles