Performance Upgrades

Custom Upgrades

There’s a lot more that goes into high performance upgrades than just throwing a bunch of parts in an engine. Our technicians at Duluth International Auto Service are highly qualified and experienced to perform even the most complex engine modifications to meet the expectations you have for your car. 

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Customization Process

At Duluth International Auto Service, we make even the most extensive customizations as straightforward as possible. We communicate with you directly the modifications you want on your car. If you want your car to make more power, have a louder exhaust setup, or simply look cooler, you have come to the right place! From the information you give us on what you want from your car, we provide you with advice from experts on the best way to achieve these goals. Once you decide on exact modifications, we will gather superior quality parts from our suppliers and begin customizing your car. 

Get More Power

Newer automotive technology can help any car perform better. From increasing power, to improving  reliability, Duluth International Auto Service can help you reach your goals for your car through engine tuning, and higher quality part upgrades which will perform better than the manufacturer’s components.