The above Carbon Fiber Mirror Covers are for an Infiniti G37 Coupe 2008-2013. These mirror covers come in one set and they are made of carbon fiber! The part number is: JP0000958719 and the product brand is Eppar.
These are not replacement parts they are simply mirror covers for your Infiniti G37. You can grab a set of these covers over at Amazon for around $85 plus shipping and handling charges.