I'm currently using Tomcat Recaro Adjustables on low rails and they are a big improvement compared to my standard ES/EU civic seats. They hold me in the chair more, and I feel as though I can feel the car more when driving at higher speeds. I'm not so scared of falling out of the chair when taking turns fast.

I've never experienced non-adjustables when driving but sitting in my friends 180 who had a non adjustable Bride seat, I was locked in and it was holding me quite still I struggled getting out! But then again, I'm a fatso. Comparing the adjustable to non-adjustable, I think the non-adjustable would be better when driving hard but don't know about practicality especially in a 2dr.