CTS Turbo K04-X Hybrid Turbocharger for FSI and TSI Gen1 Engines (EA113 and EA888.1)

The CTS Turbo K04-X Hybrid Turbocharger delivers a performance-focused upgrade path for early-generation VAG four-cylinder platforms. Specifically developed for FSI and TSI Gen1 engines across the EA113 and EA888.1 families, this hybrid turbo combines proven K04 turbine technology with enhanced compressor efficiency. Engineered to suit Audi A3 8P, TT 8J, and Q3 8U models, plus VW Passat B6 and Tiguan applications from 2008 through 2017. Designed for workshops seeking reliable bolt-on forced induction upgrades without extensive custom fabrication, while supporting tuned calibrations that extract meaningful gains from these popular Euro platforms.