Volkswagen MKVII GTI (2015+) GIAC Stage 1 Performance ECU Software Upgrade A4/S4/RS4 (B8) Fitment For:

Fitment For:

5mm wheel spacers and (10) extended cone seat wheel bolts

Each CTS MK7 GTI downpipe is 100% tig welded

We replace the original IS38 turbine and CNC mill the turbine housing to install a larger lightweight 9 blade turbine for greater gas flow

Gentle on rotors and extended pad life

Volkswagen MKVII GTI (2015+) GIAC Stage 1 Performance ECU Software Upgrade A4/S4/RS4 (B8) Fitment For:GIAC software for the MKVII GTI will help you maximize the potential of your vehicle! Power gains have been measured at: 42 wheel horsepower and 46 wheel torque on 91 octane with no other modifications 72 wheel horsepower and 49 wheel torque on 100 octane with no other modifications Estimated crankshaft power output of 259 brake horsepower and 312 brake torque on 91 octane with no other modifications Estimated crankshaft power output of 295 brake