Description
Unlock the full potential of your Subaru STI with the COBB NexGen Flex Fuel Ethanol Sensor Kit, engineered to deliver seamless flex fuel capability and advanced tuning integration. Designed specifically for the 2008–2021 WRX STI platform, this system allows your vehicle to automatically adjust for varying ethanol content (E0–E85), maximizing performance, efficiency, and safety.
The NexGen system represents COBB’s latest evolution in flex fuel technology, offering accurate real-time ethanol content monitoring and full compatibility with COBB’s tuning ecosystem. By enabling dynamic fuel, ignition, and boost adjustments based on ethanol levels, this kit ensures optimal performance whether you're running pump gas, ethanol blends, or full E85.
Manufactured with high-quality components and engineered for reliability, the kit integrates seamlessly into the factory fuel system with a plug-and-play style harness for simplified installation. This makes it an essential upgrade for enthusiasts seeking safe and consistent power gains on ethanol-based fuels.
Key Features & Benefits
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NexGen Flex Fuel Technology – advanced ethanol content monitoring
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Supports E0 to E85 Fuel Blends
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Real-Time Ethanol Content Data for precise tuning adjustments
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Optimizes Power, Efficiency, and Engine Safety
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Seamless Integration with COBB Tuning Platforms
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High-Quality Sensor and Wiring Components
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Plug-and-Play Style Installation
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Ideal for street and performance applications
Installation
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Direct integration into the vehicle’s fuel system
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Plug-and-play harness simplifies installation
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Professional installation recommended
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Requires proper tuning for flex fuel functionality
Vehicle Fitment
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Subaru WRX STI (2008–2021)
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Subaru WRX STI Type RA (2018)
