K&N Custom Air Filter - Rectangular - 6.75in O/S Length x 4.5in O/S Width x 2.5in Height - E-3952 fits_2009-2016`Audi`A4 Wrinkle-Black Powder-Coated Intake Tube directs

Wrinkle-Black Powder-Coated Intake Tube directs unrestricted airflow from the large filter to the turbo for more horsepower and torque

0 Liter W4A33-1

not only is this problematic line replaced

MB1-HDR6 kit features ACT's most popular Heavy Duty pressure plate

A small but frequently used control

K&N Custom Air Filter - Rectangular - 6.75in O/S Length x 4.5in O/S Width x 2.5in Height - E-3952 fits_2009-2016`Audi`A4 Wrinkle-Black Powder-Coated Intake Tube directsK&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