Wow its been a while since i been on here but im back in business and got my URD MAF cal ordered. What do you guys think? Will i be happy with it? Is it hard to install? Does fuel mileage change? Im still pretty new to all of this so i still have alot of questions. I have the 1GR TRD CAI and 3" FLO-PRO MAX exhaust that my cousin put on at his shop. SOOO, please tell me what u guys think! :rockon: