Matthew McCowan, Ultra4 unlimited class race car driver, drives the MRM Racing and Fabrication, LLC Jimmys 4x4 buggy and competes at a professional level. MRM Racing and Fabrication specializes in customizing vehicles for offroad. Whether you want a bumper built for your Jeep, or to make it ready to enter some Dirt Riot or W.E Rock events, we are the guys you call. You want it, we build it.