I am selling this item as I no longer need it. Carbon Look Door Mirror Visors #Skyline #HV37 HNV37 #YV37 RV37 200GT 350GT #400R GT Hybrid b9164 We do not offer installation support, so if you find it difficult to install, we recommend that you ask a professional. Please note that as this is an aftermarket/imported product, no instruction manual is included. ■Notes■ There may be cases where the product cannot be installed even on the listed vehicle models and years.