Big Sky Auto, Diesel & Exhaust-formerly JR's Repair and home of the Subaru Guru-is your trusted local source for expert automotive, diesel, and custom exhaust repair in Billings, Montana. Conveniently located at 5615 Interstate Ave Suite A, we proudly serve customers throughout Billings and the surrounding areas, including 59101, 59102, 59105, and 59106. With more than 60 years of combined professional experience, our team delivers dealership-level service with local-shop honesty, faster turnaround times, and no surprise pricing.
Whether you're looking for reliable maintenance on your Subaru, advanced diesel diagnostics for your Cummins, Duramax, or Power Stroke engine, or a full custom exhaust system built from scratch-we've got you covered. From general auto repair and fleet maintenance to 4x4 upgrades and performance modifications, Big Sky Auto, Diesel & Exhaust is built for the road ahead.