Trüpower Motorsports VW Golf MK6 GTI/Golf R/AUDI 2.0T FSI K04 Turbo Outlet Pipes and Turbo Muffler Deletes are the perfect replacement for stock K04 outlet pipes which reduce airflow and reduce power of your turbo charged 2.0T FSI engine. Trüpower turbo outlet pipes increased diameter piping will improve overall vehicle performance. Improving airflow will not only increase WHP (Wheel Horse Power) but turbo spooling as well. Turbo mufflers are designed to reduce engine bay acoustics. However, this type of restriction also reduces air flow and causes air turbulence within the turbo system. Unlock the trü potential of your turbo engine by simply replacing the restrictive factory turbo muffler. You’ll be surprised how a simple and cost effective upgrade can have such an impact on performance and turbo spooling sound.