Performance software (tuning) for the MK4 1.8T 20v engine
 

AUM engine code: 150hp, K03s, wideband, 2000-2005 model year. (Rest of the world)
AWW engine code: 150hp, K03s, wideband, 2001-2005 model year. (North America only)
AWP engine code: 180hp, K03s, wideband, 2001-2005 model year. (North America only)


1.8T AWW/AUM/AWP Software
Stage 4 - Big Turbo/Custom 1.8T
USD $649.99
Gonzo Tuning STAGE 4 Info: Custom tuning tailored to your own car. A connecting rod upgrade is re..
Stage 3 - AWW/AUM/AWP/AWM/BEA
USD $550.00
STAGE 3 Gonzo Tuning STAGE 3 Info: Program designed to be run with a turbocharger upgrade. Inc..
MK4 1.8T AWW/AUM/AWP Software - Stage 2
USD $399.99
Previously known as Gonzo Tuning Stage 2+ STAGE 2: 235HP / 280LB-TQ Info: Our most advanced/ag..
MK4 1.8T AWW/AUM/AWP Software - Stage 1
USD $349.99
STAGE 1: 220HP / 240LB-TQ Info: Designed to run 18psi of boost and for 93 Octane / 98 RON gas (wi..