10-14 Raptor Rear Air Bump Kit ICON Vehicle DynamicsICON Vehicle Dynamics' Ford Raptor Rear Hydraulic Bumpstop System has been through extensive R&D, testing, and tuning before ICON could introduce a product we were confident in labeling the most comprehensive Raptor bumpstop solution on the market. Features and Benefits: What does the bumpstop do In short, a bumpstop's job is to control the final up travel of the suspension. Many Raptor owners are using their vehicles beyond their intended design and