This is an optional RPM Wide Front Bumper, and is intended for use with the Traxxas Stampede 4x4. The Traxxas Stampede 4x4 is a cool truck with lots of nice features built in, but it’s missing one critical piece – some serious front-end protection. Not anymore! The RPM Wide Front Bumper for the Traxxas Stampede 4x4 is designed to fill that void. RPM's bumper uses the same design principles and styling as those found on the 2wd Stampede Front Bumper, the most popular front bumper RPM has ever produced. Why is it so popular? Because it works!