What's interesting is that part 84297964 seems to be identical to 84154731 from this thread:
https://www.camaro6.com/forums/showthread.php?t=506846
Are there two part numbers for the same pieces? Man some of this aero stuff is confusing, what is supposed to be on the car all the time, what's supposed to be removed for tracking, what is actually bad to leave off after tracking and what's okay to leave off after tracking.

