The OilBud Harley oil cooler fits between the frame rails of your Harley, and once mounted under the motorcycle, it is virtually undetectable. It is designed for 2000-2015 model years Harley Touring, Harley Tri Glide, 2000-2015 Harley Softail, including ABS models and 1999-2015 Harley Dyna. It is easily installed with no major retrofits required. The OilBud cooler element does not hang below the frame rails on the Touring, Tri Glide or Softail. The OilBud also works with the new water-cooled engines. Browse this site http://harleyoilcoolers.com/ for more information on Harley oil cooler.