Subaru Tuning. B&G Performance offers the most comprehensive Subaru Powertrain tuning and calibration services on the market today. Whether you are looking for increased power, better drive-ability, or better fuel economy we can make it happen for you! With over 25 years of experience you can trust that when you send us your PCM the job will get done right. Please call us for more information about what other services and capabilities we have! We can be reached at (888) 248-8633 Monday through Friday from 9:00AM to 5:00PM EST.