So, all damaged products are considered damaged during the transit, even though the outer boxes are not damaged. Professional installation will be HIGHLY recommended. Skilled technicians who have the proper tools and training should correctly and safely add the equipment to your vehicle. Buyers will be responsible for all risks on any installation method. We won't accept any claim after 14 days upon item receive.What customers should do is to make sure the item is in the original packaging with the order number issued by our company 4caroption, clearly marked outside the box. A correct address should be provided while placing your order. All emails will be replied in order. We carry plentiful automotive accessories at unbelievably lower prices, including front & rear lip, trunk & roof spoiler, side skirts, running board, window visor, floor mat, radiator, steering wheel etc.