5ZIGEN International Inc. (5ZIGENインターナショナル株式会社, Go ZIGEN Intānashonaru Kabushiki-gaisha) is a Japanese automotive aftermarket manufacturer and motorsport company. The name "5ZIGEN" is derived from the Japanese phrase "go jigen" (五次元), meaning "fifth dimension."
Overview
Founded in February 1987 and headquartered in Yao, Osaka Prefecture, Japan, 5ZIGEN specializes in the manufacturing of high-performance aftermarket automotive parts, including lightweight alloy wheels, exhaust systems, and suspension components. The company is particularly well-known in the Japanese Domestic Market (JDM) tuning industry and holds ISO9001 certification for its manufacturing quality standards.
History
5ZIGEN began operations by developing sports mufflers (performance exhaust systems). It later expanded into motorsport-related components such as wheel rims and suspensions. The company is recognized as one of the top three exhaust system manufacturers in Japan.
Motorsport Involvement
In 1989, 5ZIGEN established a racing team called "Team 5ZIGEN." The team has competed in numerous racing series over the decades, including:
- Japanese Formula 3 Championship (1991)
- Japanese Touring Car Championship (1992)
- All-Japan Formula 3000 (1993–1994)
- Japan Grand Touring Car Championship (JGTC, 1997)
- Super Taikyu Series (2020–present), winning the ST-Z class championship
- GT World Challenge Asia Fanatec Japan Cup (2023–present)
- F4 Japanese Championship
The team has fielded vehicles from manufacturers including Toyota, Mercedes-AMG, and Nissan across various racing categories.
Products
5ZIGEN's product lineup includes performance exhaust systems (such as the "Fireball" series), lightweight racing wheels (including the FN01R-C model), and other tuning components. The brand is popular among JDM enthusiasts worldwide.
