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Tuning Fundamentals

Technical tutorials, ECU guides, and product walkthroughs from our engineering team.

  1. Slave vs Master ECU Files Explained: What Each Format Means and Why It Matters for Tuning Tuning Fundamentals Slave vs Master ECU Files Explained: What Each Format Means and Why It Matters for Tuning The first time a workshop owner sees a .slave.zip file on their screen, the natural reaction is “what do I do with this?”. The vendor tool that produced... Jun 2, 2026 · 9 min read