These Duraflex M - 1 Speed Side Skirts are perfect for Mazda RX - 8 owners from 2004 to 2011 who want to upgrade their car's look. Whether you're cruising on the highway or showing off at a car meet, these side skirts will make your ride stand out. They're made of FRP material, which is lightweight yet strong. As for sizing, they're designed to fit the 2004 - 2011 Mazda RX - 8 perfectly.