An automotive vehicle having at least one vehicular exterior surface formed from at least a portion of an exterior pickup box. The vehicular exterior surface includes a structural substrate having an outwardly oriented surface and at least one polymeric layer in overlying relationship to at least a portion of the outwardly oriented surface of the structural substrate. The polymeric layer contains at least one polymeric material formed from the reaction of at least one isocyanate with at least one resin component, the resin component comprising at least one catalyst free aliphatic amine.