Your factory rubber intake is quickly maxed out, limiting overall power gains. AVO's smooth bend, hi-flow silicone intake pipe increases flow by more than 30%, and works with all your stock parts.
Applied Models:
Impreza WRX: 2002-2005 [2.0-liter turbocharged]
Impreza WRX: 2006-2007 [2.5-liter turbocharged]
Impreza WRX STI: 2004-2007 [2.5-liter turbocharged]
Forester 2.5XT: 2003-2008 [2.5-liter turbocharged]
