Johnson Customs ECM TUNING
Auto Repair,
Car Wash,
Auto DetailingHours:
1010 South Cecelia Street, Sioux City IA 51106 Hours
About Johnson Customs ECM TUNING
Johnson Customs ECM Tuning specializes in performance tuning and custom automotive module services, offering a 24-hour turnaround for all mail-in orders. They provide a range of services, including Ford Lincoln Mercury cam phaser deletes, GM AFM DOD deletes, and various security removals such as SKIM, PATS, and VATS. Customers appreciate the quick and efficient solutions for problems like PCM issues and module cloning, often at a fraction of dealership costs. The team is known for their exceptional customer service, being available at all hours to assist clients with urgent needs. Reviews highlight the impressive results, such as improved vehicle performance and unique tuning features. For those seeking reliable and expert tuning, Johnson Customs is highly recommended as the go-to destination for all module programming, cloning, and calibration needs. Their expertise ensures top-tier work that satisfies both customers and their vehicles.
Most Recent Reviews
July 2026
I had to get a tune done for my mustang, got there, dude was ready to go and got done within 10-15mins. Very friendly and engaging person. Definitely recommend coming to this tuner for any vehicle you need done.
July 2026
He was quick and efficient. Got everything done fast and helped when asked questions about what was being used. Will definitely recommend to others
June 2026
I’m in FL, He helped me remotely. 100% recommended
More Comments(58)
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- Sioux City, Iowa