This mod makes Mario look better in a lot of ways. The sprites are recolored by TyphloCube and 8-NabBit imported them into the game.
Database match: Mario Kart - Super Circuit (USA)
Database: No-Intro: Game Boy Advance (v. 20210227-023848)
File/ROM SHA-1: 9D327C030C3E2D9007990518594F70C3340AC56F
File/ROM CRC32: ED316E37