IE - Koude Luchtinlaat - Audi A4 / A5 B9 2.0TThe IE Cold Air Intake is uniquely designed to maximize the performance of your Audi B9 A4 or A5 2. 0T . Using advanced computer design and 3D scanning technology, this intake has been developed for a perfect fit and maximum performance. The IE intake offers an increase of up to +20 horsepower on tuned engines, thanks to its innovative ram air construction, flow optimized velocity stack and large 55 inch filter intake . Expect peak increases of 10 20+