Announcing the Stage 3 DNA Airbox Kit and the Stage-2 (3)! Air Box Cover filter

Who would have thought that you could get an extra 8 to 14 HP out of your XT660X / XT660R. Well now you can DNA in collaboration with www.xt660.com have developed a new Stage 3 Air Box Kit which can give you up to 14HP extra (on a modified 700cc engine or 8HP on a standard XT660 engine with slip on's).