Ana

The only time I experienced anything similar is when the "click click" noise bug was introduced. I'm not certain if they fixed it since I use nurfedui which has a built-in stop the click feature. The lag was related to sound options and not mods, as was first thought. You might want to check your sound options and set channels to low. I believe that was the fix going around at the time. Someone please correct me if I'm wrong!

Edit: Just as a side note, I've found ctra to be a huge contributor to lag in general. Since switching to ora2 and grid I haven't had near the problems that ctra provided. If you like larger frames like ctra, sraidframes with ora2 is a good option as well.