K&N Replacement Round Straight Universal Air Filter for 2010-2015 Audi A8 2.0L/2.5L/3.0L/4.0L/4.2L Engine Components>Hardware Kits - Other This differential cover has a

This differential cover has a 3-1/2 quart lube capacity (factory cover holds 2-1/2 quarts) at the factory fluid level line

Finished with a sleek black E-coat

our team here at Injen Technology couldn't wait to get our hands on for development

Many tuners reduce fuel delivery as exhaust gas temps rise

Uses OEM Boost Tube

K&N Replacement Round Straight Universal Air Filter for 2010-2015 Audi A8 2.0L/2.5L/3.0L/4.0L/4.2L Engine Components>Hardware Kits - Other This differential cover has aK&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