Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round

63mm (2.5inch) ID Neck Universal Foam Cone Filter

Spectre Performance 9132 Universal Clamp-On Air Filter Round Tapered

Spectre Universal Clamp-On Air Filter: High Performance, Washable Filter: Round

2.5" Universal Cone Air Filter Red Cotton Gauze K&N Style High Flow JDM Turbo

1320 Performance 2.5 inch Universal air filter cone reusable short version Black

K&N Universal Performance Clamp-On Washable Round Tapered Red Cotton Air Filter

Ramair 6 inch 152mm ID Universal High Flow Performance Clamp-on Dry Air Filter