K&N Advantage Air Filter Subaru Outback 03-10 / Legacy 05-10 / Impreza 07-10 / Forester 08-10 | KNA-2304 5500 The Perrin transmission mount support

The Perrin transmission mount support pieces are made from CNC'ed 6061-T6 aluminum which means nothing will wear out and no urethane which will eventually squeak

this system delivers increased airflow and reduced intake temperatures—without requiring any tuning

040" / Peak Lift 11

Installation time:

allowing efficient and secure valve spring service across multiple Subaru engines

K&N Advantage Air Filter Subaru Outback 03-10 / Legacy 05-10 / Impreza 07-10 / Forester 08-10 | KNA-2304 5500 The Perrin transmission mount supportProduct 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