Over 25 Years of Complete Auto Repair and Service, Foreign and Domestic. For more than 25 years, Gene's Muffler & Auto Service has been a trusted name in the Castle Rock, Colo. area. We are complete auto repair and service specialists offering free estimates. Mufflers are our specialty and we routinely perform exhaust system analysis, custom pipe bending, dual exhaust systems and more. We also offer comprehensive service for all makes and models of foreign and domestic cars and trucks. Rely on us for these services and more - • Mufflers • Catalytic converters • Light welding • Brakes • Tune-ups • Scheduled maintenance Call Gene's Muffler & Auto Service today for all your automotive service needs.