It is our great honour to have invited Japan NICHIEI RACING TEAM – Mr. YOICHI IMAMURA and Mr. FENG REN ZHI to participate in development project for YELLOW SPEED?s Dynamic Pro Drift coilovers. Dynamic Pro Drift. (Imamura won the champion of Japan D1 for 2003, 2009, 2010 and 2011; Feng is top D1 professional driver in Taiwan.) From problem finding, problem solving, design improvement, constant testing, Dynamic Pro Drift suspension system has been developed to live up to customers? expectations.