Yellow Speed together with the Japanese NICHIEI RACING TEAM - Mr. YOICHI IMAMURA and Mr. FENG REN ZHI are involved in a project to develop Dynamic Pro Drift coilovers. (Imamura won the 2003, 2009, 2010 and 2011 Japan D1 champion; Feng is Taiwan's top D1 pro driver.) From finding problems, solving problems, improving designs, constantly testing, the Dynamic Pro suspension system Drift is designed to live up to customer expectations.