This Direct Center Muffler Bypass features 3.5in exhaust diameter and 4.0in tip diameter. Thanks to the muffler bypass, you will enjoy much better exhaust sound. Dramatic Improvement Of Sound For Any 991 GT3 or GT3RS!
Plus, the bypass is made of sturdy T304 black coated steel and installs easily ?with no welding required.
- Factory Headers, Catalysts Side Mufflers And Valves Retained
- 3.5in Piping Diameter
- 4.0in Tip Diameter
- Durable T304 Black Coated Steel Construction
- MBRP has NOT confirmed 2013 GT3 & 2019+ GT3/RS fitment.