K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height 2003-ktm-250-sxs-base----249cc-esi7168894 They allow Big block engines

They allow Big block engines to turn more RPM

K&N Power Kleen works to dissolve the dirt build up and old filter oil

1986 Mercury Grand Marquis Base 1979-1981 Mercury Grand Marquis Colony Park 1986 Mercury Grand Marquis LS 1971-1974

2013 - 2013 Infiniti FX37

It is recommended only for street Applications with lighter valve spring loads

K&N Universal Clamp-On Air Filter 2.25in Flange ID 3.5in OD 2in Height 2003-ktm-250-sxs-base----249cc-esi7168894 They allow Big block enginesK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure