Calling all X-Maxx owners! Traxxas is taking the award-winning truck you love to a whole new level of speed and performance with the X-Maxx 8s Power-Up®. Traxxas engineers tossed conventional thinking out the window to bring loyal X-Maxx owners the most powerful Traxxas system ever developed for a Ready-To-Race® vehicle. The Power-Up kit starts with the innovative Traxxas Velineon VXL-8s electronic speed control that combines the power of two 4s (4-cell) LiPo batteries for over 30 volts of mind-bending power.
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