Toyota Racing Development is the in-house tuning shop for all Toyota, Lexus, and Scion cars. TRD is responsible both for improving street cars for more performance and supporting Toyota's racing interests around the world. TRD produces various tuning products and accessories, including performance suspension components, superchargers, and wheels. TRD parts are available through Toyota dealers, and are also available as accessories on brand-new Toyotas and Scions. Performance parts for Lexus vehicles are now labeled as F-Sport and performance Lexus models are labeled F to distinguish Lexus's F division from TRD. TRD is similar to other in-house tuning shops, such as Mazdaspeed , Nismo , Ralliart , STi , Ford Performance Vehicles , Special Vehicle Team , Street and Racing Technology , Holden Special Vehicles , Mercedes' AMG division, BMW "M" models, Audi "RS" models, Chevrolet's Super Sport, or Volvo R-Design models. read more