Okay guys, this is my first post just want to say hello first. Okay, here's what I have 04 busa. I have the Brock hindle generation three complete exhaust pair block offs done air box mod, power Commander with Brock's track map installed in it clutch mode, 16 toothed sprocket 40 tooth rear sprocket. That's it for the mods so far. Well, o n Tuesday. I'm sending it in to have a custom map done. My question is that the Dyno shop is trying to talk me into having a tre stalled at that time . I have read good bad and indifferent about the tre bottom line is, should I have the tre installed or just forget it. I've also read that a fuel injection light can pop on from time to time with the tre installed bottom line, should i do it or not on . the tre that is. question two what is the top speed of a 16 40 gear racial. with out the tre If anyone knows, please post thanks in advance guys