Any dyno numbers to see an increase and where it is in the powerband? Most intakes do little for real acceleration but throttle response and a little more at the highend is normal but it's a poor bang for the buck mod. I'd do an exhaust before an intake.
'12 Focus Red Candy SE Sport 5 spd
'99 Toyota 4Runner Sport
'11 Subaru WRX STI Hatch