K&N Replacement Round Air Filter for 13-14 Audi RS6/RS7 4.0L V8 Drivetrain>Spindles 19385 is produced using CNC

19385 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty

The combination of this silicone inlet hose and our free-flowing Mishimoto air filter translated to massive gains of 20 whp and 17 wtq at 5900RPM

resulting in a safe increase in horsepower

Our charge pipe kit also includes a pair of matte black silicone couplers for a secure and OEM styled connection to the air-to-water intercooler

K&N Replacement Round Air Filter for 13-14 Audi RS6/RS7 4.0L V8 Drivetrain>Spindles 19385 is produced using CNCK&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