Impul

Founded by Nissan's factory driver, Kazuyoshi Hoshino, Impul exclusively produces aftermarket parts for Nissans and Infinitis such as aero body parts, engine components, as well as VIP style parts. Since 1983, the company has run its own racing team which found success in Japan's domestic series such as JTCC, Formula Nippon, and Super GT. Hoshino was the first driver to win in the team's R32 GT-R during a JTCC race in 1990. In addition to Hoshino, notable Impul drivers include Masahiko Kageyama (1993 Japanese Touring Car Championship winner), Satoshi Motoyama (2001, 2003, and 2005 Formula Nippon champion), Benoît Tréluyer (2006 Formula Nippon champion), Tsugio Matsuda (2007 and 2008 Formula Nippon champion), Yuji Ide, and Kohei Hirate. Its primary sponsor since 1996 is auto parts supplier Calsonic.