AFM/MDS Delete

AFM / MDS Delete Services

  • Professional AFM and MDS delete solutions designed to improve engine reliability and performance.
  • Elimination of factory cylinder deactivation systems that can lead to lifter failure and oil consumption.
  • Improved engine longevity by reducing internal stress and uneven wear.
  • Restored full-time V8 operation for smoother power delivery and consistent performance.
  • Custom tuning and programming to ensure proper engine operation after system removal.
  • Performance-focused upgrades for towing, daily driving, and long-term ownership.
  • Service commonly performed on GM AFM-equipped engines and Dodge HEMI MDS engines.
  • Detailed inspection and testing to ensure reliable results after completion.
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AFM and MDS systems were designed to improve fuel economy, but over time they have become known for causing reliability issues such as lifter failure, camshaft wear, and excessive oil consumption. With Mattingly’s Performance & Repair LLC’s AFM and MDS delete services, you can restore dependable engine operation, reduce long-term repair risks, and enjoy consistent power and performance.


Our AFM / MDS Delete Services

We offer professional AFM and MDS delete services, including:

  • System Evaluation: A thorough inspection of your engine to determine whether an AFM or MDS delete is the right solution based on condition, mileage, and performance goals.
  • AFM / MDS Component Removal: Removal or disabling of factory cylinder deactivation components that commonly contribute to internal engine failure.
  • Internal Engine Upgrades: Installation of upgraded components when required to support long-term reliability and proper engine function.
  • ECU Tuning and Programming: Custom programming to ensure correct engine operation, drivability, and performance after the delete is completed.
  • Final Testing and Verification: Comprehensive testing to confirm proper operation, performance, and reliability before returning the vehicle to service.


Why Choose Us for AFM / MDS Delete Services?

  • Experienced Technicians: Our team has hands-on experience performing AFM and MDS deletes on GM and Dodge platforms.
  • Performance-Focused Approach: We prioritize long-term reliability, drivability, and performance, not shortcuts.
  • Quality Parts and Equipment: We use proven components and modern diagnostic tools to ensure dependable results.
  • Clear Communication: We explain the process, expected outcomes, and costs upfront so you can make an informed decision.


Trust Us With Your Engine

We understand the importance of engine reliability and long-term performance. Mattingly’s Performance & Repair LLC is committed to providing professional AFM and MDS delete services that help protect your investment and improve the driving experience.



To schedule an AFM or MDS delete service or to learn more about whether this solution is right for your vehicle, contact us today. Your engine’s performance and reliability are our top priorities.