INEOS GRENADIER TUNING
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Overland Xtreme Tuning ECU Upgrade
Unleash Your B58 Engine’s True Potential
Overland Xtreme Tuning ECU Upgrades deliver the ultimate dollar-per-horsepower performance gain available for your vehicle. By optimizing the factory engine management system, these upgrades unlock substantial increases in horsepower, torque, and throttle response—all without requiring any end-user adjustments. The result is a dramatically quicker, smoother, and more exhilarating driving experience.
Powered by Overland Xtreme Tuning calibration technology, OX extracts every ounce of potential from your engine while maintaining reliability and drivability.
Key Features
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Horsepower Gains – Experience significant power increases across the entire RPM range.
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Torque Gains – Enjoy a stronger, broader torque curve for instant throttle response.
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Performance Stages – Precisely calibrated power levels optimized for your vehicle’s configuration.
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Improved Acceleration – Sharper throttle response and reduced lag for quicker takeoff.
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Fuel Economy Optimization – Enhanced efficiency during cruising and light driving.
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Better Off-Road Capability – Improved throttle response and added power for confident climbing, crawling, and trail performance.
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SERVICE REQUIRES ECU TO BE SENT TO OUR TUNING LAB FOR UNLOCKING.
Turnaround is 6-8 Business days
Stage 2 with performance down pipes
If you’re looking to return or exchange your order for whatever reason, we’re here to help! We offer free returns within 30 days of purchase. You can return your product for store credit, a different product, or a refund to the original payment method. Please Email info@overlandxtreme.com
