Most D1 Grand Prix Championships by a driver
According to Official Guinness Records,
The most wins of the Japanese Professional Drift Grand Series is two by Youichi Imamura (Japan) in 2003 and 2009.
For a complete list of 2009 records, please visit 2009 Guinness Records in Japan.
Please choose a country from the list for relevant records:
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Other Japan records that might interest you: