K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H 5x114.3 The complete system is optimized

The complete system is optimized for 93-octane fuel for superior performance

Multicore technology is also utilized in Borla(r)'s elite XR-1 mufflers used by winning teams in NHRA

a less than idea situation as you pilot your M3 or M4 in any situation

matte black or chrome

BMR's suspension BK058 Differential Bushings are the perfect wheel hop solution for any 6th Gen Camaro being used for performance driving

K&N Replacement Air Filter Round 11in OD 9-1/4in ID 6in H 5x114.3 The complete system is optimizedK&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