Renntech is now offering a high-performance carbon fiber airbox for all Mercedes bi-turbo V12 cars. This system is comprised of two carbon fiber airboxes, larger, high-flow air filter elements and a carbon fiber engine cover. Advanced computer-aided design was incorperated to increase horsepower and torque by maximizing volume and streamlining the air path. The airbox not only enhances the look of your engine compartment, but improves driveability and performance with an additional 20 horsepower and 30lb-ft of torque.