I'm only trying to help you guys out.. It will save you big $$$$$$ in the long run.. It may be $500.00 more than going the cheap route.. It's nothing but bad luck trying to trick the system like you guys are starting to see with all the MAF systems trust me iv'e been through the Cookie Cutter days back in the late 90's ! A learning experience as well i will show you guys how the Nissan CAS Syncs up in real time! And how everything works Logging, Sensor Calibration , Timing Setup, No such thing as cold start issues, Live View of every sensor working on your own lap top and feel free to ask me anything ! ONE TIME TUNING ONE TIME FEE ! A RE TUNE WILL NEVER BE NEEDED NO MATTER HOW COLD IT GETS OR WHERE YOU SET THE BOOST THE AFR STAYS THE SAME DUE TO AEM'S TRUE SPEED DENSITY 3D BOOST COMPENSATION TUNING WE USED THE SAME SYSTEM ON THE WORLDS FASTEST 2jzgte CELICA NHRA PRO RWD....I have a used 30-6601 AEM FOR SALE $750.00 Get in Tune with your car Today... Glenngineering 813-390-4703