The following Nerf Bars were designed to fit your Acura MDX:
Aries Nerf Bars- $177.95
Westin Signature Series Nerf Bars- $217.95
Model years for MDX nerf bars include 2009, 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001, 2000, 1999 and earlier.