Originally Posted by RIOT
Real world example on smooth versus rough....on boats a smooth service will not hinder you until after 100 mph. Then you want a rough surface....basically if you wax a REAL fast boat it will slow it down....Granted I am talking about .05% of the boating public.
I have no idea what air does but thats what water does on as boat.
My .02
and I'm almost positive that the airflow being pulled through the y-pipe is going well over 100mph under high engine load!
