From the Manufacturer In typical RPM fashion, we don�t just make replacement parts, we make the best replacement parts possible. So what sets the RPM rear bumper above all else? We started with our incredibly durable materials and created a bumper that is based off of current full-sized Short Course and Baja style rear bumpers. Full-sized rear bumpers are wide and flat and our scale version is exactly that, for the ultimate in rear-end protection. RPM rear bumpers will stop most rear impacts from affecting the truck in any negative way. Additionally, RPM rear bumpers for the Traxxas Slash weigh in at a full 9 grams (18%) lighter than the stock version. Lighter is always faster. What more could we do to make these things incredibly realistic? How about mounting points for mud flaps? That�s right, these bumpers come stock with mounting positions for RPM Mud Flaps (81012 - available separately). Now the Slash owner can run mud flaps for ultra-realistic good looks. RPM rear bumpers for the Traxxas Slash are avail