Originally Posted by Grenade10
At high speeds it seems to plant the rear much better. I have cut mine out and with really good traction, I have taped over them, if the body makes it to tight.
IMO!!
To expand, if you don't cut them out, what you actually do is "bounce" the air straight over the rear wing at high speeds. FWIW, I never found a case with that body where it was better to have them in than out.