K&N Advantage Air Filter Subaru Outback 03-10 / Legacy 05-10 / Impreza 07-10 / Forester 08-10 | KNA-2304 350Z_2003-2009 then you know how important

then you know how important it is to keep your engine running smoothly

Consistent carbon fiber weave pattern

Its Pull-Type relief design ensures stable operation regardless of the amount of boost pressure

This is for S Chassis LS T56 using the ISR LS swap mount

Mishimoto Lifetime WarrantyPeace of mind for the life of your vehicle

K&N Advantage Air Filter Subaru Outback 03-10 / Legacy 05-10 / Impreza 07-10 / Forester 08-10 | KNA-2304 350Z_2003-2009 then you know how importantProduct Fitment: 2003 2010 Outback 2005 2010 Legacy 2007 2010 Impreza 2008 2010 Forester Premium replacement air filter that provides superior engine protection, longer life, and easy installation. Features: Durable construction for up to 18,000 miles of use 50% longer lifespan than standard filters Up to 99% filtration efficiency for engine protection Drop in installation, usually no tools required Replace every 18,000 miles under normal driving