Signal Auto, a performance shop that professionalizes in tuning, has focused on building performance cars for use in drag, drift, and time attack. Signal Auto has been gaining exposure with drifting in the United States with Formula D. Throughout Signal Auto’s career the company has always strived to be an industry leader in performance tuning. The company’s motto has been to use the street as its platform for tuning high performance vehicles. By having this attitude, Signal Auto continues to push the boundaries of motorsports.
Signal Auto is deeply routed in Japanese and American motorsports for over thirty years. It began as a small tuning 
shop in 1977 by Kousuke “MAD” Kida. In the year 2000 Signal Auto expanded to Torrance, California. Signal Auto has been engrained into Japanese motorsports and has helped to introduce drifting to the United States. Signal Auto has greatly grown in size with shops in Japan, United States, and Thailand and continues to be a leader in the performance tuning industry.
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