K&N RU-5171HBK UNIVERSAL Clamp-On Air Filter 4"FLG, 8"B, 6-5/8"T; 8"H ymm_36 24-step damping force adjustment using

24-step damping force adjustment using an ultra-precision special needle valve that enables precise settings

Model: 525d E60/E61

The COBB Ford Focus ST front mounted performance intercooler is the single best bolt-on modification for the platform

ATS 13- 15 2

25" Cat-Back system is tuned for performance and sound for both the 2

K&N RU-5171HBK UNIVERSAL Clamp-On Air Filter 4"FLG, 8"B, 6-5/8"T; 8"H ymm_36 24-step damping force adjustment usingDescription 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