At Modified by KC, performance isn't just what we do—it's who we are.

For more than 25 years, we've been helping enthusiasts, racers, and performance-minded drivers get the most from their vehicles. Based in the Kansas City area, our team specializes in high-performance automotive builds, custom tuning, fabrication, wiring solutions, and complete fuel system integration. From street cars to dedicated race vehicles, we bring the same attention to detail and commitment to excellence to every project that enters our shop.

Our capabilities include custom motorsport wiring harnesses, engine builds, transmission services, dyno tuning, EFI calibration, maintenance, and complete performance upgrades designed to maximize reliability and horsepower. Whether you're looking to improve drivability, increase power, or build a vehicle capable of competing at the highest level, Modified by KC has the experience and equipment to make it happen.

What sets us apart is our passion for performance and our dedication to doing things the right way. We understand that every build is unique, which is why we take the time to understand your goals and develop solutions tailored specifically to your vehicle and driving style. Our reputation has been built on quality workmanship, technical expertise, and delivering results our customers can trust.

Whether you're chasing faster lap times, building a reliable street machine, or creating a one-of-a-kind custom project, Modified by KC is your trusted partner from concept to completion.

Performance is in our DNA—and your vehicle is in good hands.