Just get some aluminum tube in the same diameter and paint it. Should be able to find some at any hardware store. Just make sure you scuff the tube with scotch bright and use a chemical resistant paint.
2000 Mustang GT turbocharged
2012 Focus SE Hatch
2008 Lincoln MKX
SOLD:#013 2010 Focus SES, 2004 Mazda 6s and 2003 SVTF #1496