Twenty First Century Muscle Cars is a performance shop specializing in late model domestic muscle and sports cars. They are experts in upgrades, dyno tuning, repairs, and maintenance for a wide range of vehicles including Corvettes, Camaros, Mustangs, and Challengers. The shop is staffed by down-to-earth, knowledgeable, and honest technicians who listen to customer concerns and provide great service with integrity. Their work is consistently described as high quality and flawless, with impressive turnaround times. Customers report that the team provides honest answers and guidance, helping them spend money wisely on modifications. The shop is frequently called the best in the DFW area and the only place many trust for their performance vehicles, leading to exclusive, long-term relationships. The overall experience is highly recommended for any performance modifications or service.
Great shop that knows their American cars. Happy with the service
September 2026
Can't say enough about Matt and the team at 21st CMC. 11 years after doing the original build for my 2009 G8 they still take care of It. Thanks again Matt!
August 2026
I’m super impressed with the quality of work form 21stCMC they even cleaned up some of my mess. The recommendations on cam choice and future upgrades were right on. Thanks again Matt and crew. I couldn’t be happier with the driving experience now.