K&N RU-5171HBK UNIVERSAL Clamp-On Air Filter 4"FLG, 8"B, 6-5/8"T; 8"H ymm_36 The cast aluminum end boxes

The cast aluminum end boxes are optimized using CFD flow analysis for excellent cooling with minimal backpressure

Direct replacement design for simple installation and increased performance

Model: 525d E60/E61

0 155 / 114 11/15 FRONT T8088SP2001 25528 8489 D1379 PREVIEW MAZDA MX-5 IV (ND) 2

K&N RU-5171HBK UNIVERSAL Clamp-On Air Filter 4"FLG, 8"B, 6-5/8"T; 8"H ymm_36 The cast aluminum end boxesDescription K&N RU 5171HBK UNIVERSAL Clamp On Air Filter 4"FLG, 8"B, 6 5 8"T; 8"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, offering a suitable option for most equipment. All filters feature ultra strong molded pliable rubber flanges that