Duramax Tuner is a data driven, market leading tuning business. They are dedicated to providing high-quality engine calibrations that represent the best mix of drivability, reliability, and power available within the performance automotive aftermarket. Duramax Tuner keeps their edge by encouraging innovation. They drive and verify results by employing expert staff, who are equipped with the best tools in the business. Duramax Tuner are prompt, reliable professionals who deliver. Duramax Tuner aims to establish a nationally recognized standard in the market for product quality and service delivery.