The Racingline Performance intake, designed specifically for Audi RS4 and RS5 B9 models, features a direct bolt-on installation using premium carbon fiber materials. This upgrade retains the original lower box and enhances it with a carbon fiber lid and diffuser, a high-flow trifoam air filter, and ..

The Racingline Performance intake offers an easy-to-install upgrade specifically for Audi S4 and S5 B9 3.0 TFSI models. Constructed from high-quality carbon fiber, it enhances the stock lower box with a new carbon fiber lid and diffuser, an advanced trifoam air filter, and an expanded silicone intak..

The Racingline foam filter serves as an ideal substitute for the VWR1241S4 intake air filter in Audi S4/S5 and RS5/RS4 B9 models, especially when the original is worn or damaged. This filter is designed with a triple-layer Trifoam technology using open-cell polyurethane foam, and it's both washable ..