The 2026 Porsche 911 GT3 finally gets the Manthey treatment, as the high-performance kit will soon be available.The Manthey kit includes an assortment of aerodynamic upgrades as well as an adjustable coil-over suspension and optional lightweight forged wheels.The Manthey-spec 992.2 GT3 was also faster than its predecessor around the Nürburgring Nordschleife, posting a 6:52.981 lap time.