![Integrated Engineering Performance ECU Tune | MK5 · MK6 GTI · Jetta · GLI · B6 Passat · MK1 CC · MK1 Tiguan · 8P A3 · 8U Q3 | 2.0L Turbo I4 [TSI]](https://cdn.shopify.com/s/files/1/0635/0032/1015/files/IntegratedEngineeringPerformanceECUTuneMK5_MK6GTI_Jetta_GLI_B6Passat_MK1CC_MK1Tiguan_8PA3_8UQ32.0LTurboI4_TSI.png?v=1684865599)
Integrated Engineering Performance ECU Tune | MK5 · MK6 GTI · Jetta · GLI · B6 Passat · MK1 CC · MK1 Tiguan · 8P A3 · 8U Q3 | 2.0L Turbo I4 [TSI]
Adding more power is easy! When you upgrade from Stage 1 to Stage 2 or K04 with IE, you only pay the difference in tune cost with no extra fees. Simply install the required hardware upgrades then follow the link on your IE POWERlink software to purchase the tune upgrade and you will be blowing away the competition in minutes! Your factory TSI power plant is controlled by a very advanced Engine Control Unit (ECU). This complicated computer is loaded with maps and routines to operate your vehicle efficiently, however, much of the available performance is left on the table and the calibration is not written to take advantage of aftermarket power adders such as cold air intakes, intercoolers, donwpipes and turbo upgrades. IE's advanced ECU Tunes are extensively engineering to completely reverse-engineer the factory mapping and re-write new calibrations for ultimate performance without sacrificing factory comfort and reliability. These perfected ECU Tunes undergo thousands of hours dyno tes