The car is an MR4-TC; it looks to be the MR4-TC Pro. There have since been four more versions of the car: The MR4-TC Worlds Edition, the MR4-TC Barry Baker Edition, the MR4-TC Special Edition, and the MR4-TC Special Edition version 2.
You could probably also include the MR4-TC Custom Edition (which is just a combination of the above) and more recently the MR4-TC SSG Edition, although that is more of a series of hop-ups, rather than a released kit.
It is a good car in any form, always competitive. There is a large thread in this forum about it.
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