Compatible with the 2WD Electric Slash Limited lifetime warranty Overview Add strength and personalization to your 2WD Electric Traxxas Slash with the RPM Rear Bumper Set. RPM rear bumpers will stop most rear impacts from affecting the truck in any negative way.RPM rear bumpers for the Traxxas Slash weigh in at a full 9 grams (18%) lighter than the stock version. They also add in realistic options over the stock parts including ounting points for RPM's optional mud flaps (sold separately). Now the Slash owner can run mud flaps for ultra-realistic good looks. Every RPM rear bumper is molded in the USA and backed by their limited lifetime warranty against breakage.