CTS Turbo BOSS800 Hybrid Turbocharger Upgrade for B9 Audi S4, Audi S5, Audi SQ5 and more

The CTS Turbo BOSS800 Hybrid Turbocharger Upgrade delivers a bolt-in forced induction solution for B9-generation Audi S4, S5 and SQ5 models. Engineered to replace the factory turbos, this hybrid system combines upgraded internals with OEM-style integration, eliminating the complexity of full turbo conversions. Designed for workshops seeking reliable performance gains without fabrication, the BOSS800 suits 2017-2023 B9 platforms running the 3.0-litre V6 TFSI engine. Ideal for dealers building tuned packages with ECU calibration and supporting modifications to extract maximum potential from Audi's versatile sports models.