Our sports air filter has been developed to guarantee a higher air flow compared to the conventional air filter of your 4.0L TFSI. The air filter is made of multi-layered cotton, coated very thinly with a special oil to achieve a high air flow combined with optimal filtering effect. The gasket is made from a single cast and is therefore particularly strong and tear-resistant. By replacing a paper air filter with our air filter, which uses the same technology and materials as a Formula 1 filter, there are clear advantages. Also on the series vehicle. Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com