try this pipethe xtm mtmonster truck pipe its huge as wide as the gen series but a inch or 2 smaller. this pipe for this truck is huge it will be up and running hopefully today or tomorrow for breakin. i only had some small issues of loctite and the throttle linkages binding. the throttle i think i may use 2 servoes one for throttle and one for the brakes so it wont bind. thats the mgt next to it this thing is the biggest truck in the fleet sorry cen there is a new bigboy in town