I dropped off my C6Z on Monday for their 690hp package and picked the car up on Wednesday. They have great workmanship and don’t keep your car as long as a lot of other shops. This is my second build with these guys and it won’t be the last.
October 2024
Fantastic shop. Great to deal with. Great communication and understanding of all my questions. Car runs fantastic.
October 2024
These guys are automotive experts for domestic muscle/sports cars. Down-to-earth people who listen to your concerns about the reason you brought in your vehicle and answer all your questions and provide great service.
Twenty First Century Muscle Cars specializes in Late Model Performance Upgrades and Packages as well as Dyno Tuning (in house) for the C5,C6,C7,C8 Corvette, Gen 5 & 6 Camaro, Cadillac CTSV, GM Trucks & SUVs, Ford Mustang, Dodge Challenger, Viper and many others. Our 9800 sft secured facility is located in Addison, TX with GM certified technicians with an average of 16 years experience each with OEM and aftermarket Performance vehicles. We are Authorized Dealers for Lingenfelter, Callaway, Katech, Roush, Texas Speed, Corsa, Borla, Magnaflow, Procharger, Magnuson, RedLine, Brembo, Penske & many more quality brands. We also do vehicle Repairs, Maintenance, Pre-purchase inspections and also do Extended Warranty service for GM vehicles.
