Peter Mutai scored 8 points from two penalties and a conversion.Anthony Ochino,Mark Emitati and team captain Paul Murunga added a try each.
David Matasio scored Impala's consolation try with Moses Kola putting over the resulting conversion.
KCB head coach Michael "Tank" Otieno told The Lions Den:"I was happy with the team's performance...their ball retention was good...and they played according to the game plan...the young players were impressive too."
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STRATHMORE STRETCH MWAMBA
Surprise package Strathmore University gave seasoned campaigners Mwamba RFC a torrid time before losing out 7-10 in an earlier semi-final clash at the same venue.
Hastings Nyariki touched down for Strathmore with Joshua Gathumbi scoring the conversion.
Strathmore player/coach Mitch Ocholla was happy with the performance of his young side,terming it a learning experience for the forthcoming Eric Shirley Shield.
Mwamba replied with tries from Mike Mutuku and Oduor Weru.
