UNLOCK THE NEXT LEVEL OF TUNING CONTROL FOR YOUR VEHICLE with the Holley Terminator X EFI mobile app — the ultimate companion for performance tuning right from your Android device.
Take control of your engine’s performance with 250+ CUSTOMIZABLE PARAMETERS FOR PRECISE TUNING. Designed for enthusiasts and professionals alike, the Holley Terminator X EFI app lets you FINE TUNE ENGINE PARAMETERS FOR MAXIMUM PERFORMANCE — all from the convenience of your mobile device.
Key Features:
· Six pre-defined real-time monitoring screens for instant access to vital engine data
· Intuitive setup wizard helps you easily create a powerful base tune in minutes
· View real-time gauges on screen at a glance – no laptop required
· Effortlessly create, manage, and share your tuning files with others
· Record and share datalogs to review your performance anytime, anywhere
· Simple, step-by-step Throttle Position Sensor (TPS) setup for accurate control
Built specifically for use with Holley’s Terminator X EFI systems, this app gives you advanced tuning capabilities in a streamlined, mobile-friendly interface.
Perfect for racers, tuners, and performance enthusiasts — take your tuning to the next level and keep your engine dialed in with Holley.
App Requires the Holley Bluetooth Module to connect to the Terminator X ECU.
Latest Version
1.0.10Requires Android
12
Category
Free Auto & Vehicles AppContent Rating
Everyone
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Flag as inappropriateLast updated on Apr 15, 2026
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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