K&N Performance Air Intake System (57S-2003) Audi > Ur-Quattro BC Racing BR - RA

BC Racing BR - RA Series BMW F80 M3 14-18 (3-BOLT TOP MOUNT)

5mm bore and dual 5 stud bolt pattern for both 100 and 112mm PCD fitments

rubber base and comes with a deflector shield to protect against engine heat

Results showed that we achieved the best gains with the PRORam performance filter

contact us and we’ll add it for you

K&N Performance Air Intake System (57S-2003) Audi > Ur-Quattro BC Racing BR - RAThe K&N Performance Airbox is designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. Replacing the restrictive factory air filter and air box allows your engine to inhale more air than with the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. A fully enclosed injection molded air box connects to the factory air intake hose. The removable lid