Porsche 991.2 GT3 Cup MR Pro 2021: LOUD Accelerations & Flat-6 Sound at Monza Circuit! Acceleration & Sound Drag & Track by turboandstance - August 17, 2023 Here's a video about two beautiful and loud Porsche 991.2 Cup MR Pros I recorded at Monza Circuit during two track days by kunoschaer.ch, in 2022 and 2023. The Cup MR places itself halfway between the 911 GT3 Cup and the GT3-class 911 GT3 R, taking the best of both to