easier to see would be my guess. if it breaks, its easier to see at night
but thats the only place. alum driveshafts are NHRA approved for racing until you get to the 10s i believe.
you need the driveshaft safety loop anyway since youre running slicks. thats required when running slicks.
**I have sigs turned off, so if you're asking for advice based on your mods, I can't see them**