Of course, all of the Porsche Cayenne headlight bulbs we sell are backed by the AutoAnything 1-year lower price guarantee, as well. That means that the price you pay for your Cayenne headlight bulb set today is the lowest you'll be able to pay for a year. It also means that if you manage to find someone else selling the same Cayenne headlight bulbs for less than what you paid, all you have to do is tell us and we'll send you a refund for the difference plus another dollar. Add in our free shipping on virtually every auto accessory we sell, including your new headlight bulbs, and we challenge you to find a sweeter deal anywhere else!