2025+ Toyota 4Runner i-FORCE Overland Tailor Tune Stage 1 | COBB Accessport Custom Calibration | 2.4L Turbo Gas Performance
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Description
Built for the All-New 6th Gen 4Runner
The 2025+ Toyota 4Runner i-FORCE 2.4L turbocharged engine delivers impressive factory capability — but once you add armor, larger tires, rooftop tents, recovery gear, or towing weight, the stock calibration begins to feel muted and conservative.
The Overland Tailor Tune (OTT) Stage 1 tune is engineered specifically for gas-powered 2025+ 4Runner builds that prioritize torque, smooth power delivery, and real-world drivability over peak dyno numbers.
Installed via the COBB Accessport V3, this calibration transforms how your 4Runner responds under load, at altitude, and in technical terrain. This is an expedition-ready refinement tune.
Designed for Overland & Adventure Builds
Unlike generic performance flashes focused on top-end horsepower, the Overland Tailor Tune is optimized for:
Low-RPM torque enhancement
Reduced throttle lag
Stronger mid-range acceleration
Improved drivability with 33”–35” tires
Reduced gear hunting under load
Better performance at elevation
Refined towing response
Whether you're climbing mountain passes, crawling through technical sections, or cruising long highway miles fully loaded — your 4Runner feels composed, confident, and responsive.