If/when they break, they shred into fibers rather than break into chunks and possibly flip the car or shoot through the floor. For this reason you don't need a loop when racing with one.
My 300Zs:www.zheaven.com - Have a question about either of my 300ZXs? Answers lie within. Admin:www.350ZForum.com - Your source for the lastest info on the new Nissan 350Z! Member:www.SoCalZCrew.com - Come find out how we do it in the West