The Ford Explorer ST, with its 3.0L EcoBoost V6, offers substantial performance straight from the factory. However, for enthusiasts aiming to extract every ounce of potential, tuning becomes an essential step. This guide delves into the top tuning solutions available, highlighting their unique features and benefits.
⚠️ Important Note on 2025+ Models
Due to Ford’s updated PCM encryption, tuning options for 2025 and newer Explorer ST models are currently limited. This guide focuses on the 2020–2024 models, which remain fully tunable. Until then my friends with 2025 Explorer ST’s… hang tight..
Top Tuning Solutions for the Explorer ST
Now, These Tuners are in no way ordered by best or worst, we wanted to give each the benefits of their tunes as not each tune is right for each driver. There is a personal preference and also how the driver is intending to utilize the vehicle.
COBB Tuning – Accessport V3
COBB’s Accessport V3 is a versatile handheld tuner that offers both ECU and TCM tuning capabilities. It’s 50-state legal, thanks to CARB certification, and provides a range of Off-The-Shelf (OTS) maps for various octane levels.
Key Features:
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Customizable multi-gauge display
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Data logging and performance measurement tools
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Valet Mode, Dynamic Pedal Control, and Auto Start-Stop disable
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TCM tuning options: Simulated Stock, OEM+, and Sport modes
For more details, visit COBB Tuning’s official page.
GooseTuned – Custom Tuning Packages
GooseTuned offers custom tuning packages tailored for the Explorer ST, utilizing the COBB Accessport. Their Stage 1 and Stage 2 tunes deliver significant horsepower gains, especially when paired with supporting modifications like upgraded intercoolers.
Performance Gains:
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Stage 1:
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91 Octane: ~445 WHP
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93 Octane: ~460 WHP
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E50 Blend: ~505 WHP
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Stage 2:
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91 Octane: ~450 WHP
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93 Octane: ~464 WHP
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E50 Blend: ~530 WHP
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These packages often include a COBB Accessport and, in Stage 2, a CVF Intercooler.
ZFG Racing – Drive Mode Specific Tuning & Track-Proven Performance
ZFG Racing has become a household name in the Explorer ST tuning world thanks to its deep focus on performance and reliability. Tuner Adam Brunson, the man behind ZFG, is known for developing tunes that dominate at the drag strip and perform equally well on the street.
What makes ZFG special:
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Drive Mode Specific (DMS) Tuning:
One of ZFG’s standout features. Each drive mode—Normal, Sport, Eco, etc.—can be individually tuned. For example, you can have a mild map for daily use in “Normal” and an aggressive performance map in “Sport” or “Track” mode. -
Advanced Tuning Strategy:
Adam employs deeper PCM logic adjustments compared to most competitors, including custom torque modeling, shift logic, and knock strategy. His tuning is precise, dialed-in, and refined for every setup. -
Proven Track Performance:
Numerous Explorer ST owners running ZFG tunes consistently achieve 11-second quarter-mile passes with relatively simple bolt-ons and E30/E50 blends. While some of the fastest Explorer ST’s have achieved 10-second quarter-mile passes on ZFG Tunes. -
Broad Compatibility:
ZFG tunes are available for the HP Tuners platforms, giving users flexibility depending on what device they already own.
Ideal for:
Enthusiasts looking for track-ready performance, customizability per drive mode, and support from one of the most involved tuners in the community.
Gearhead Tuning – OEM-Like Drivability Meets Power Gains
Gearhead Tuning, led by Matt Alderman, has earned a strong reputation in the Ford EcoBoost world. Known for their SCT-based tuning solutions, Gearhead’s approach is to blend daily drivability with solid power increases and reliability.
What makes Gearhead special:
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Refined Daily-Driver Feel:
Gearhead’s tunes are meticulously calibrated for smooth shifts, improved throttle response, and safe power delivery—ideal for family haulers that double as street sleepers. -
SCT Experience:
One of the most established SCT tuners in the Ford space. For owners already invested in the SCT ecosystem, Gearhead offers one of the best plug-and-play solutions. -
Octane-Specific Options:
Tunes are offered for 91, 93, and E30, all optimized for performance and safety on stock or lightly modified STs. -
Expanded Product Line:
Gearhead also offers their own performance parts like downpipes and intercoolers, tested and tuned in-house, which pair well with their tuning packages.
Ideal for:
Owners seeking a smooth and reliable tune for daily driving, road trips, and spirited runs—with a proven record in the Ford performance community.
DiabloSport – InTune i3 and Trinity 2
DiabloSport offers tuning solutions through their InTune i3 and Trinity 2 devices. Their tunes provide noticeable gains in horsepower and torque, along with improved throttle response and transmission shifting.
Performance Gains:
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93 Octane Tune: +45 HP / +69 TQ
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91 Octane Tune: +27 HP / +58 TQ
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87 Octane Tune: +22 HP / +35 TQ
Additional features include Auto Start/Stop disable, speed limiter removal, and various user-adjustable parameters.
JDM Engineering – Stage 1 Performance Package
JDM Engineering’s Stage 1 package combines a custom SCT X4 tune with a CVF Intercooler. This setup aims to enhance horsepower, torque, and overall drivability.
Benefits:
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Up to +100 HP and +200 TQ on 93 octane
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Improved throttle response and reduced turbo lag
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Remapped 10-speed transmission for performance shifts
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Lower intake air temperatures by over 70°F at wide-open throttle.
For more information, visit JDM Engineering’s product page.
Unleashed Tuning – Personalized Remote Tunes
Unleashed Tuning offers custom remote tuning services, providing personalized calibrations based on individual vehicle modifications and performance goals. Their tunes are known for enhancing throttle response, shift quality, and overall driving experience.
Ford Performance Tune – OEM-Backed Option
Ford Performance offers an official tune for the Explorer ST, boasting 430 HP and 467 LB-FT of torque. While it maintains the 3-year/36,000-mile warranty, it’s considered an aftermarket part beyond that period. This tune improves throttle response and shift points but may not match the performance of custom tunes.
🛡️ Warranty Considerations
It’s essential to understand that any tuning can potentially impact your vehicle’s warranty. While some tuners offer features to revert to stock settings, dealerships can detect previous tuning activities. Always consult with your dealer and consider the risks before proceeding with any modifications. Tuning your Explorer ST can unlock impressive performance gains and transform your driving experience.
The chart presents estimated wheel horsepower (WHP) for various Explorer ST tuners across a range of fuel types and octane ratings — from 87-octane pump gas to ethanol blends (E30/E50). The data reveals key differences in tuning strategies, performance potential, and how fuel quality impacts output.
