Time for sub frame connectors

Twice today while I was launching from the line, my trunk flew open. At first I was stumped. Then it clicked. My 60 foot times have gone from 2.06 to 1.90. I have yet to put sub frame connectors on this car. I think when I launch the car is twisting and allowing the trunk to open. I could be wrong about this. But it`s the only thing I can think of that would cause this. Any thoughts??