Gotta fields vtec controller that i dont want. can control what rpm v tec kicks in and set the added fuel from 0%-30%. and speed limiter bypass... Supposed to add up to 10-14 hp but i didnt notice any difference with it on or off. . Selling it for $80 Send me a text at 281-2357, if you try calling. leave a message and ill get back to ya.. Its still hooked up in my car so give me untill the day after you contact me to get it to you. thanks all