K&N, air filter element - 41-66 B.T.; 41-55 45"(NU) & 7" 'MOTORCYCLE' type air cleaners 524438 Exfiltrate (or Exfil) is the

Exfiltrate (or Exfil) is the opposite

Meets or exceeds OEM specification

Each is precisely die-cast

Come with sealing gaskets

1/4" female insulated

K&N, air filter element - 41-66 B.T.; 41-55 45"(NU) & 7" 'MOTORCYCLE' type air cleaners 524438 Exfiltrate (or Exfil) is theShape: Round Height: 1. 875 in (48 mm) Inner Wire: No Inside Diameter: 4. 688 in (119 mm) Outside Diameter: 6. 063 in (154 mm) Replacement for OEM 29036 41TA. K&N is the world wide standard in high end quality performance air filtering systems. They are washable and can be used as stock replacement. The filter elements are designed with a ribbed surface that will give you up to 5 times more filter area than a regular replacement filter, dramatically