Originally Posted by dynamicS

If you really want to get nuts, I would mold the floor pan out of carbon fibre and balsa laminate, then replace the steel structure. It's fairly easy to do but the material cost is not worth it. Unless chrysler is supporting your racing career.

How about getting a custom carbon driveshaft? It's been a while since I crawled under my car, I forget if we have an aluminum or steel drive shaft?