tsx 2nd gear pops out fix

Hello, I have an 04 with 103k miles. For a while now I've been having an issue with 2nd gear having a liking to pop out sometimes :/. Installed the hybrid racing cmc and slave hoping it'd fix the issue but didn't. Clutch isn't slipping and according to the last owner, he got it replaced. Also...

Shifter moves when acceleration. What bushing can it be. 6 speed