Thanks guys. According to some data people put up, my stock front end generates 100lbs of lift at 100mph. Adding that bumper turns that into around 100lbs of downforce at 100mph. Adding a splitter external of that can actually then unbalance the car, that front dam makes a HUGE difference, probably enough to balance out a GTC200, so doing more work up front is just not needed.
There will be an alumalite splitter under and behind the plastic dam to reinforce the bottom, and also to give it shape and proper airflow.
