21-09-2013, 11:29 AM
(02-08-2013, 01:17 PM)Piggy Wrote: just watch the pod filter mythbuster on mightcarmods...I put a K&N in the airbox of my HDI. The standard filter was 3 months old so still clean. 2 mpg more and better acceleration. I think they are great.
shows that manufacturers do spend time developing an air box for a reason!