Search for M0698 at the site below for the center section and you have a choice of black, silver, or magnesium. You buy all three parts and just pop rivet them together with a washer on the backside. Some people use small bolts.
These are yellow. One left side and one right side.
http://surdyke.com/AdvPartInfo.asp?P...r=M1647.3A8MAL
http://surdyke.com/AdvPartInfo.asp?P...r=M1648.3A8MAL