CTS Turbo A91 6-port B58TU Toyota Supra BOSS Turbo Upgrade kit

The CTS Turbo BOSS Turbo Upgrade Kit transforms forced induction on B58TU engines found in A91 Toyota Supra, BMW M340i and M440i models. This comprehensive 6-port turbocharger system replaces the factory unit with precision-engineered components designed to improve airflow efficiency and throttle response. The kit includes all mounting hardware and OEM-quality fittings required for installation. Engineered specifically for the twin-scroll B58TU architecture, this upgrade maintains factory reliability standards while unlocking the platform's true potential. Suits 2018-2023 model years with direct bolt-on fitment.