• The CTS Turbo MK7/7.5 Golf R 3″ turbo-back exhaust system is hand tig welded using the finest T304 stainless steel. Our exhaust system was designed for both street use and big turbo abuse. Other MK7 Golf R exhausts that are currently available can choke peak power and limit the breathing due to their 2.5″ construction. The 3″ design of the CTS Turbo MK7/7.5 Golf R turbo-back is ideal those of us chasing serious horsepower.nnProduct Details:n- Fits MK7/7.5 Golf R onlyn- True 3″ Stainless steel cat-back exhaustn- Aggressive sound under hard driving, but subtle when cruisingn- Water jet cut flangesn- CNC mandrel bent stainless steel pipingn- Double wall 4.0″ tips with CTS logo