K&N RC-2320 UNIVERSAL Clamp-On Air Filter 1-13/16"FLG, 3"B, 2"T, 3"H ymm_19 The Girodisc system is a

The Girodisc system is a direct replacement for the OE disc on all 997 Turbos

The concept was to evolve the RG-D2 design and its possibilities all the way to 20-inch sizes

325˝ 6) Socket Size 5/16 12pt 7) Collar Dia

grey and black

FSR pistons include offset pins for quiet operation

K&N RC-2320 UNIVERSAL Clamp-On Air Filter 1-13/16"FLG, 3"B, 2"T, 3"H ymm_19 The Girodisc system is aDescription K&N RC 2320 UNIVERSAL Clamp On Air Filter 1 13 16"FLG, 3"B, 2"T, 3"H K&N Universal Air Filters are designed and manufactured for a wide range of applications, including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and more. These filters accommodate various air intake angles and offset diameters, making them suitable for many types of equipment. All filters feature ultra strong molded pliable rubber flanges