Hi guys.Newbie here.Just want to find out if fixing an adjustable fpr is worth it.I have an intake and exhaust done on my bb4 prelude.No other mods so, will the fpr improve performance or no difference?Thought of fixing the aerospeed fpr.Thanx :)
http://www.blogsmithmedia.com/www.autoblog.com/media/2007/09/wrc_live_450-op.jpg
Subaru International showcased their latest 2008 Subaru Impreza WRC Concept at the Frankfurt 2007 autoshow. Autoblog reported "The...