Hi m8 and welcome to the drift forums

ive seen yokomo do the s15,180x etc
... is that the silvia model??
check these out
silvia
[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXMVR0&P=7]http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXMVR0&P=7[/link]
s15
[link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXHPX8&P=7]http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXHPX8&P=7[/link]
hope that helps ya [8D]