Installation: Most of our products are direct from distributor and are intended for jobber purpose, so they may not come with instruction manual. Professional mechanic are recommended for installation. This can avoid many problems that can often be found with an inexperienced installer of aftermarket products.If you need assistance on installation, we can try to get some installation guide for you. All emails are to be answered within 24 hours except Sat and Sun. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts & Accessories\Exterior Parts & Accessories\Body Moldings & Trims". The seller is "advancetuning" and is located in this country: US. This item can be shipped to United States.