K&N Custom Air Filter - Round 6.25in OD 5.25in ID 4in H - E-3344 Body Armor & Protection 5 mm) diameter inlet and

5 mm) diameter inlet and outlet it dwarfs the stock rail by over 25% in flow area

BMC 2013 Audi Q5 (8R) 2

T2R-G11 Mod-Twin 10

have been torture-tested to 1 million cycles on our hydraulic test rig

K&N Custom Air Filter - Round 6.25in OD 5.25in ID 4in H - E-3344 Body Armor & Protection 5 mm) diameter inlet andK&N washable, reusable High Flow Air Filters feature a state of the art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10 Year Million Mile Limited Warranty. K&N drop in replacement filters are designed to install easily into your