The Outlaw was also designed by Dr. Hsu and he believes it should be a lower distortion design compared to the STF-1 but it is still very very similar to the STF-1 from HSU.
Unless your freind has done a side by side comparison of both subs there is no way he can qualify this statement.
Rick
"A fear of weapons is a sign of retarded sexual and emotional maturity." Sigmund Freud