More Photos - Main Chassis

Rear impacts & tail first landings with a 5th scale vehicle are sure to do some damage, but not if you put your trust in RPM. Products from RPM are incredibly durable and this new rear bumper for the HPI Baja 5B & 5T is no exception. Minor tweaks have been made to the stock design, improving strength and durability, keeping your rear end in one piece when things get out of hand. Our smoothly contoured shapes not only make our rear bumper design stronger, but also make it look much more finished and aesthetically appealing. Additionally, all stock geometry is retained. We even retained the stock exhaust pipe support wire mounting hole and shelf for those running the HPI aluminum tuned exhaust pipe (HPI #86690).

RPM rear bumpers for the 5B & 5T are inexpensive protection for expensive aftermarket pipes as well. If you spent a small fortune on a tuned pipe that relies on the rear bumper for protection, shouldn’t you depend on a name that has become synonymous with crash survivability? RPM rear bumpers are designed to survive and protect!

RPM rear bumpers are molded in black from our secret blend of superior materials and fit all versions of the HPI 5B and 5T. Confidence inspiring protection that won’t leave your wallet in pain!

Tech Notes: This bumper replaces HPI stock #85420 (item #2 on the tree).

Rear Skid Plate (fits all versions of the HPI Baja 5B & 5T)


The stock rear end of the HPI Baja 5B & 5T is not designed for low-end protection since the stock set-up has nothing in the back that needs protecting. However, large rear-mounted aftermarket exhaust pipes expose a critical weakness in the lack of protection those two tubes provide.

The RPM rear skid plate eliminates that weak point by eliminating those two tubes entirely. We replace them with a large, curved plate with seven huge skid rails measuring 1/4” wide by 3/16” tall that provide unmatched skid and impact resistance to the rear end. A small, open section was left to allow easy access to the clip holding the stock under-guard in place while closing up most of the back end so nothing can come up from the bottom to hit that expensive, aftermarket exhaust pipe. We also dropped the skid rails parallel to the lowest point on the chassis, helping reduce some of the impacts taken by the chassis and place it where it can be handled much better – by the RPM skid plate!

We made our rear skid plate beefy to handle tail-first landings or rear impacts, yet because it is made from our killer blend of proprietary materials, it can still absorb severe impact energy instead of transferring it into the more fragile and expensive chassis components.
RPM rear skid plates for the HPI Baja 5B & 5T are sold as three-piece kits and come with all necessary mounting hardware and instructions.

Tech Notes: This skid plate replaces HPI stock #85438 (item #4 on the tree).
RPM rear skid plates are tested and only guaranteed to fit stock HPI parts and RPM aftermarket accessories.