For more than 25 years, Gene's Auto Repair & Muffler Service has been a trusted name in the Castle Rock, Colorado, area. We offer complete auto repair and service, including free estimates. Mufflers are our specialty and we routinely perform exhaust system analysis, custom pipe bending, dual exhaust systems and more. We also offer For more than 25 years, Gene's Auto Repair & Muffler Service has been a trusted name in the Castle Rock, Colorado, area. We offer complete auto repair and service, including 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. ...more