Fitment Information VW Golf GTI MK7.5 (2018, 2019, 2020, 2021) 2.0L Turbocharged MK7.5 only, will not fit earlier years MK7 2 Door or 4 Door Available in 2 styles We now offer this exhaust in two styles. The 3" High Flow Muffler exhaust features two high flow mufflers and a resonator to give you more power without a loud exhaust. Great for those who want a clean, deep sound without a ton of noise. For those who want to be heard, the muffler delete exhaust features 2.5" piping with a resonator and virtually no restriction. Both exhaust styles are a direct bolt on. Specs & Features Muffler Exhaust - 3" Outside Diameter Exhaust Piping with 4" Rolled Tips Muffler Delete - 2.5" Outside Diameter Exhaust Piping with 3.5" Rolled Tips Clean and deep exhaust sound Stainless steel piping and muffler Direct bolt on replacement Rev9 exhaust systems deliver the most possible power from their minimal bends design. Each exhaust is designed to have the smoothest possible exhaust flow to give you the least possible exhaust restriction, the most power, and the best sound. Rev9 exhausts are designed to have the best fitment and unless stated otherwise, are a direct bolt on replacement for your factory exhaust system. Mandrel bent piping and TIG welded joints offer the best performance while being long lasting.