New Speed Racer costumes for adults and kids are here! Buy your Speed Racer costumes and accessories from the costume accessories at Halloween Express today. 72 matches. ($ - $) Find great deals on the latest styles of Adult speed racer costumes. Compare prices & save money on Adult Costumes. Adult Speed Racer Deluxe Costume. This Adult Speed Racer Deluxe Costume includes jacket, pants and hat. Shoes not included.