Have been looking at the HFC, do they really make a different?
jakeA42T Registered User Joined Oct 21, 2011 Messages 90 Reaction score 0 Points 6 Location Gravesend Sep 3, 2012 #1 Have been looking at the HFC, do they really make a different?
razza1 Registered User Joined Dec 28, 2008 Messages 3,247 Reaction score 918 Points 113 Location Reading - Berkshire Website www.maidenhead-systema.co.uk Sep 3, 2012 #2 Believe so, they remove some of the restriction of air flow, thus can boost better.
