vw golf gti 1.8T mk4 2001 Specs: Ecu Haltech F10X garret gt25 wastegate Tial magnaflow full exoust 3´´ front intercooler Pistons forged JE 6 Speed Quaife gearbox diferential Quaife 350whp Haltech Products: A very old but really good Haltech F10X ECU.