fiberglass or urethane bumper ?

[stallion98gt]

this guy is selling a saleen knock off rear bumper for $200...it's made of fiberglass...is that good or bad ? or should I go with the original one ?
thanks

 

[Islander03GT]

get urethane. one bad bump and that fiberglass will look ugly.

 

[stallion98gt]

ok thanks..that's what I thought