Trüpower Motorsports Volkswagen 2.0T Golf MK5 GTI FSI/MK6 Golf R/Audi A3 EA113 Trüflow™ Throttle Pipes are the perfect replacement for stock VW/AUDI throttle pipes which reduce airflow and reduce power of your turbo charged 2.0T FSI engine. Trüpower throttle pipes increased diameter piping will improve overall vehicle performance. Improving airflow will not only increase WHP (Wheel Horse Power) but turbo spooling as well. Upgrading to Trüflow™ Throttle Pipe is a necessary durability MOD if you are planning on tuning your engine. They just look better than factory Volkswagen Golf MK5 FSI/MK6 Golf R throttle pipes.