He spent five years with the red side of north London before ironically being released as he was deemed 'not big enough to make it' at the age of 15.
"I think they've acknowledged that's not the case any more," said powerhouse Robson-Kanu.
"I still speak to the academy staff at Arsenal and they are pleased with the progress that I have made. It's just another game playing against them now.
"The rejection didn't spur me on to become the player I have though. I've always had that drive and desire regardless.
"I would think that I am probably one of the strongest and fastest players in the Premier League now."