FabSpeed Porsche 991.2 GT3 / GT3 RS Side Muffler Bypass Pipes (2017+)

Optimized design that replaces the heavy and restrictive factory GT3 side mufflers for improved exhaust flow, increased dynamic sports car sound and huge significant weight savings.                                                                                           Utilizing super premium Helical U.K. Aerospace grade valves along with the addition of O2 bungs, Fabspeed's Side Muffler Bypass Pipes provide the ultimate street and track solution for the 991.2 GT3 / GT3 RS. Prefect upgrade for any Street Driven GT3 touring, GT3RS, Gt3 PDK cars. Factory Sport Button PSE is 100% retained with Fabspeed GT3 side muffler bypass pipes with exhaust valves. NOTE- only Fabspeed Motorsport USA uses Helical Limited ENGLAND exhaust valves on all systems. Porsche uses Helical exhaust valves on their GT3 mufflers because the valves are BulletProof silica carbide. FYI- Ferrari, Lamborghini, McLaren, Aston Martin all demand and use Helical Exhaust Valves UK. for their sports cars and hypercars becau