i had the X1 FTE/CR, its basically the X1x but kit version, the main difference is the chassis (milled) and chassis braces (aluminum) .... also had X2 buggy. and had an X1 CRT and X2 CRT truggy. so all jammins really LOL. the X1x now has very little difference between the kits, only difference is shock towers, carbon fiber radio tray and steering top plate, milled chassis and aluminum chassis braces. only thing i think is a must is the aluminum chassis brace if you start racing. other stuff isnt a big deal, no perfomance gain (with exception of the milled chassis).
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