Originally Posted by FireDan50

I haven't tracked it yet, just highway and street driving. I'm pretty sure I can feel a good planted difference at speed and its not just in my mind lol. From the pic and their website, I think that it is solid inside and not hollow. As for standing on it....I can't bring myself to stand on it lol. I've seen the Aeromotions pic where its covered in 45lb weights and that is pretty impressive.