You can purchase the parts and have them installed by a Honda dealer, or purchase them elsewhere and have them installed by yourself or a shop of your choice.
College Hills Honda has HPD parts up on their site: HPD: College Hills Honda
This link is to 2011-2012 crz. Go back to "CRZ Accessories" menu on the left so you can select 2013-2014 if that is the year crz you have.
