(f) A motor home or travel trailer, may exceed 102 inches, if such excess width is attributable to an appurtenance, except that no appurtenance may extend further than the rear view mirrors. Such mirrors may only extend the distance necessary to provide the required field of view before the appurtenances were attached. For the purposes of this subsection the term "appurtenance" shall include:
(1) An awning and its support hardware; and(2) any appendage that is intended to be an integral part of a motor home or travel trailer coach and that is installed by the manufacturer or dealer.The term "appurtenance" shall not include any item that is temporarily affixed or attached to the exterior of a motor home or travel trailer by the owner of such motor home or travel trailer for the purposes of transporting such item from one location to another.