Superchips are devices that improve the performance of a vehicle by increasing its power and efficiency. Synonyms for this term include power chips, performance chips, tuning chips, and engine control units (ECUs). Power chips and performance chips refer specifically to the enhancement of engine power, while tuning chips and ECUs may encompass adjustments to other parts of the vehicle's operation. Other terms that could be considered synonymous with superchips include flash tunes, remaps, and power programmers, which also involve modifying the engine's software or hardware to improve its performance. Regardless of the term used, these devices are popular among car enthusiasts and can significantly enhance a vehicle's overall performance.