is XB a MCD RRV4 Clone?

[celm]

im looking at some of the parts from the RRV4 and there looking close to the XB. some people said to me use the MCD upgrades as they work on the XB. is that where RC got there xb IDEAS?

 

[RampageHopUps]

Actually, the XB is a combination of a lot of different companies and some of their own ideas.