Integrated Engineering Carbon Fiber Intake SystemPERFORMANCE SOUND ASTHETICS The IE air intake system for your Audi S6 or S7 4. 0TT engine is the result of extensive engineering methods to validate a truly unique performance design. 3D scanning, radpid protoying, rigerous back to back flow bench validation, dyno testing, and track proven to produce real power, torque, and sound to elevate your driving experience. QUALITY COMPONENTS To match and exceed the high end fit and finish of the flagship S