The Traxxas 3377 MXL‑6S waterproof brushless system is a high‑performance power setup designed to deliver strong acceleration, smooth throttle response, and reliable durability even in wet or muddy conditions. Built with a waterproof electronic speed control and a high‑efficiency brushless motor that support up to 6‑cell LiPo battery power, this system provides excellent torque and top‑end speed while protecting your electronics from moisture and debris. It installs as a direct upgrade or replacement to boost your vehicle’s performance in a variety of driving environments. Compatible with Traxxas RC cars and trucks that support MXL‑6S brushless systems and 6S LiPo batteries, including many 1/10 scale brushless‑ready models.