Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. Cat Back Performance Exhaust System; 3 in.; T304 Stainless Steel; Dual Rear Exit; 4.5 in. Carbon Fiber Tips; 4.5" OD OUT Carbon Fiber Tips Included. Fitment: 2020 Toyota GR Supra Base 2020 Toyota GR Supra Launch Edition 2020 Toyota GR Supra Premium 2021 Toyota GR Supra Base 2021 Toyota GR Supra Premium