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About Us

With over 12 years of experience in software engineering and a great passion for cars and driving, Ed Susman found himself learning to tune in order to improve the performance of his Subaru WRX back in 2003. Soon, friends within the Subaru community were becoming happy customers, and the rest is history. After 5 years of success as a one man tuning operation, Ed decided to expand Equilibrium Tuning into a full service, and R&D shop in Fairfield, CA. Since opening the shop, Equilibrium Tuning has experienced consistent growth and continues to improve and develop innovative services and products. 

While we started as a Subaru specialty shop, we now also handle Nissan GT-R, Mitsubishi Evo, Corvette, BMW, Porsche, MazdaSpeed, VW/Audi, and various other platforms. 

We offer everything including basic maintenance, performance parts installation, custom dyno ECU tuning, high performance and race engine builds, and complete performance packages. We choose to do everything in house to maintain our extremely high quality standards. Please stop by and check out our 5000 sq. ft. facility and some of the current projects we're developing.

 

Address:
631 Railroad Ave. Suite A
Fairfield, CA 94533

Phone:
707-425-2137

E-mail: