K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H Stage 2 304in CD -18cc Dish Platinum

304in CD -18cc Dish Platinum Series Pistons - E/D

Manley 98+ Subaru WRX (EJ205) 75mm STD Stroke 92

This adjustment is controlled by via LED light switch with a button that can be easily mounted in any location in the cabin

50MM Piston Shelf Stock Kit

K&N Universal Air Filter Chrome Round Tapered Red - 4in Flange ID x 1.125in Flange Length x 5.5in H Stage 2 304in CD -18cc Dish PlatinumK&N adjustable fitting Universal Air Filters are made with flange inserts which adjust the filter's flange to one of three inside flange diameters. The flange on these filters is made with ultra strong molded pliable rubber which absorbs vibration and allows for secure attachment. K&N clamp on universal air filters are washable and reusable.