Description
JB4PRO Tuner for 2025+ Chevrolet Corvette C8 ZR1 LT7 – Plug & Play Performance Upgrade (BETA)
Unlock the full potential of your 2025+ Chevrolet Corvette C8 ZR1 LT7 with the JB4PRO tuner. Designed for maximum performance, this advanced plug-and-play system delivers up to 100 peak wheel horsepower gains and up to 220 whp under the power curve without unlocking or rewriting your ECU. Whether you’re targeting track performance, street driving, or E85 compatibility, the JB4PRO gives you complete control over your LT7’s boost, timing, and air-fuel ratio for a safe, reliable, and exhilarating driving experience.
Key Features & Benefits:
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Significant Power Gains: Achieve up to 220whp under the curve on a stock LT7 with high-octane fuel, improving 0-60 times and 1/4 mile performance.
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Plug & Play Installation: Installs quickly in the engine bay and OBDII port with no ECU unlocking required.
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Customizable Maps: Preloaded with maps for pump gas, race gas, E85 mixtures up to 30% (E30), and factory bypass for safe daily driving.
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Real-Time Control via JB4PRO App: Adjust maps, reshape boost/torque curves, control boost by gear for optimal traction, set maximum safety limits, and monitor up to 20 engine parameters in real time.
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Advanced CANbus Integration: Offers superior tuning features and seamless compatibility with all driving modes.
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Fuel Economy Preserved: Performance gains are achieved without compromising normal driving fuel efficiency.
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Safe & Removable: JB4PRO is not VIN-locked, can be removed without a trace, and resold if desired.
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Reliability & Warranty: Designed and assembled in the USA, backed by a 5-year warranty.
Vehicle Compatibility:
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Chevrolet Corvette C8 ZR1: 2025+ LT7
What is JB4?
The JB4 is a state-of-the-art plug-and-play tuner for turbocharged and supercharged vehicles. It intercepts and modifies sensor signals to dynamically adjust boost, spark, and fuel delivery. Unlike basic performance chips, JB4 leverages CANbus connectivity, Bluetooth tuning, real-time data logging, and advanced safety protocols. Firmware and maps are regularly updated by BMS, ensuring ongoing performance enhancements and feature additions. JB4 has been the gold standard for plug-and-play performance tuning in over 67 countries worldwide for more than a decade.
Why Choose JB4?
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Delivers real, measurable gains similar to an ECU reflash without ECU modification.
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Maintains factory safety features and smooth drivability.
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Compatible with all fuel types supported, including high-octane and E85 blends.
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Fully removable and transferable between vehicles.
Experience the ultimate tuning solution for your C8 ZR1 Corvette with JB4PRO – unmatched power, precision, and control in a plug-and-play package.
