SKU UH033-BTA Category


The Unitronic Stage 3 Upgrade Kit for the MK8 GTI is a Hardware and Software bundle which includes the direct drop-in Garrett® PowerMax™ Turbocharger along with Unitronic Stage 3 ECU Software. Combined, this package helps produce upwards of 470HP / 425 LB-FT on 93 octane fuel with even more to come on E85 and supporting fueling upgrades.

Featuring GTX Gen II compressor aerodynamics, the Garrett® PowerMax™ Turbocharger increases flow by a staggering 32% compared to the OEM turbo. Embrace the future of power with the high-temperature Mar-M alloy turbine wheel, paired with state-of-the-art turbine aerodynamics and a robust twin scroll stainless steel turbine housing capable of withstanding up to 1050°C of heat. Elevate your driving game, and experience performance like never before with PowerMax™.

Features / Benefits
Gain up to +204HP / +141LB-FT with Unitronic Stage 3 Software
Complete turbo assembly with electronic actuator
+32% compressor flow compared to OEM turbo
GTX Gen II compressor aerodynamics
Mar-M alloy turbine wheel and twin scroll stainless steel turbine housing rated up to 1050° C
Latest generation of journal bearing rotating group with 360° reinforced thrust bearing
+50% turbine flow compared to OEM turbo

Hardware Included
1x Garrett PowerMax GT2260S Direct Fit Performance Turbocharger for MK8 GTI 2.0TSI EA888 EVO4
Required Software
Stage 3 ECU (included)
Stage 3 TCU (extra, if equipped with DSG transmission)

Recommended Hardware
Cat-Back for MK8 GTI by Unitronic
Unitronic Street DQ250/MQ350 Dogbone Engine Mount
Unitronic Street DQ381 Dogbone Engine Mount

Required Hardware
Carbon Fiber Intake System with Air Duct For 2.0 TSI EVO4 MK8 GTI
Unitronic Intercooler Upgrade for MK8 GTI/R
Unitronic Performance Downpipe for 2.0TSI EA888 EVO4 FWD


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