07 400 for ???

i have a 2007 z-400 special edition(black) with a pro circuit t-4 slip on K&N jetted pro armor bumper and AC racing nerfs with heel guards bought very fast want a 450 or somethin else since everyone i ride with has one in total i spent about and around 750$ in after market parts for it its very fast and in excellent condition runs great i raced alot of quads on it and won about every one of them i beat a stock trx 450 no joke at all it was on a 2-3 mile drag road im up for any suggestions on a trade so message me or reply back