This is about a month old with on and off use, i am selling it because i want to feed my type-r's more power //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif, I dont have the birthsheet or manual because the shop kept them when they installed it. I am looking to get 450 for it i paid 600 about a month ago.