yup..
Got a couple RC18T hop ups..
ITs a great setup to get rid of all the horrid flex in the RC18 chassis.
http://www.diggitydesigns.com/xr18products1.html
the top plate is pretty cheap but you have to do some dremel work to to the stock top plate to cut the center section out of the stock top plate and keep the gear cases.
-- John --
1:1.. 01 Z28 Camaro A4 Sure.. its stock.
1:8's.. K3, Inferno GT, and a straight line beater car
1:18.. RC18t Mamba and 3s lipo