CTS MQB Volkswagen MK7 Turbo Outlet Pipe Kit (2.5")CTS Turbo is pleased to release our high flow turbo outlet pipe kit MK7 GTI, MK7 Golf R, 2015+ A3 and S3. The factory turbo outlet pipe is constructed from flimsy plastic and is quite narrow, which results in an extreme airflow restriction. The CTS Turbo high flow turbo outlet pipe kit is constructed from mandrel bent 2. 5" aluminum tubing. The CTS Turbo high flow turbo outlet pipe kit also replaces all the factory charge piping between the