AAA-Hiperformanceauto has been upgrading eproms for Nissans since 1993 when did our first Infiniti Q45. Since then we also became a Nistune Dealer and upgrading Z eproms along with doing ECU modifications for over almost 20 years..Also World Record Holder B/MP drag racing.
Upgraded eproms have improved fuel and ignition maps for safer higher boost. Removed MPH limiter and raised rpm limiter.
Eprom upgrade shipped $60 ECU socketing $60 plus shipping of the ECU back to you
