Toyota Racing Development (abbreviated TRD) is the in-house tuning shop for all Toyota, Lexus, and formerly Scion vehicles. TRD is in charge of enhancing street cars for increased performance and supporting Toyota's racing ambitions worldwide. u003cbru003eu003cbru003eTRD manufactures a wide range of tuning products and accessories, such as performance suspension components, superchargers, and wheels. TRD parts are available through Toyota dealers and as accessories on new Toyotas and Scion vehicles.