DSR Introduces the OBD II A3 VR6 Z-Engineering GIAC Chip!
Garrett from GIAC is has been well known for his programming talent. This is what happens when he decides to improve another tuner's kit. The rev. limiter was raised to 7000 to help drivability. Next, some air fuel and timing changes along with the rev. limiter increase resulted in a 30-50 HP increase at 6300 and up. Midrange torque really improved and smoothed out between 3500-5500 RPM with a maximum realized 20 ft-lbs gain in the central region. The owner of this car responded after a quick road test, "what a difference!".
