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 not only is this problematic

not only is this problematic line replaced

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

We highly recommend adding the Rear Damping Extenders for Z and G cars

Excludes Canadian models due to larger windshield washer reservoir

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 not only is this problematicK&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