I have a herniation at that level as well, and also at L5/S1 and L3/L4. I do not know anything about DDI treatments. I have been referred to a neurosurgeon as well, but this was after trying many other things first. I had a microdiscectomy in 1996 when I had my first herniated disc, but then herniated my second in 2008, and since then have tried all the standard non-surgical treatments and medications. I just found out yesterday that I now have a third herniated disc. So surgery may be in my future. What I'm trying to say is that it does seem premature to go straight to surgery in your case, unless of course the herniation is extremely severe and you are risking permanent nerve damage because of it. It can't hurt to have one appointment with a neurosurgeon to see what s/he suggests, but you should definitely get other opinions before making such a big decision. I'd have to say, though, drag racing seems extremely risky given your current situation. You risk causing permanent damage.