K&N Replacement Air Filter for 02-07 WRX/STi (33-2232) B&M Valve stems are micro polished

Valve stems are micro polished to allow for less oil retention on the stem

(1) 10mm Banjo Bolt (MF650102)

5mm 84 trim turbine wheel and available with two A/R options

938" (24 mm)

• Machined 6061 T6 Aluminum

K&N Replacement Air Filter for 02-07 WRX/STi (33-2232) B&M Valve stems are micro polishedK&N drop in factory style replacement panel air filter for the 2002 2007 WRX and STi models. Designed to install easily into your stock air box and increase power. K&N filters are washable, reusable and engineered to last for the entire lifespan of your vehicle. Vehicle Fitment: 2002 2007 Subaru WRX 2004 2007 Subaru STi Includes: (1) Air Filter Replacement for these OEM Part Numbers: Subaru 16546AA020, 16546AA050 33 2232 Specs: Air Filter Shape: Panel