K&N K&N Replacement Panel Filter KN33-2304 Product:Fits 2003-2013 Subaru Impreza, Outback & Legacy - KN33-2304 Description: Straight Male 1/4" NPT

Description: Straight Male 1/4" NPT to 3/8" (9

Centre to Centre of mounting holes: 114mm

45° Female Swivel Coupler -3AN

Core Size: 266mm (10

we do not recommend these for nitro fuel however

K&N K&N Replacement Panel Filter KN33-2304 Product:Fits 2003-2013 Subaru Impreza, Outback & Legacy - KN33-2304 Description: Straight Male 1/4" NPTK&N Replacement Panel FilterFits 2003 2013 Subaru Impreza, Outback & Legacy KN33 2304 Brand: K&N Part Number: KN33 2304 Description: K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for virtually every vehicle on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box.