COBB NexGen Stage 2+ CAN Flex Fuel Redline Carbon Fiber Power Package Silver 6-Speed (SUB004NG2W-SL2FF-RED) | Subaru WRX 2018-2021
Description
Description
The COBB NexGen Stage 2+ CAN Flex Fuel Redline Carbon Fiber Power Package Silver 6-Speed (SUB004NG2W-SL2FF-RED) delivers a premium performance upgrade for 2018–2021 Subaru WRX 6-speed models by integrating Redline Series carbon fiber components with COBB’s CAN-enabled Flex Fuel system. This setup unlocks ethanol-blended fuel capability, enhances airflow efficiency, and sharpens turbocharger response, allowing NexGen tuning to provide smoother power delivery, stronger knock resistance, and broader calibration flexibility.
KEY FEATURES
- Complete NexGen Stage 2+ CAN Flex Fuel package for 2018–2021 Subaru WRX
- Redline Carbon Fiber intake delivers reduced weight and improved airflow characteristics
- Supports E85 and blended ethanol fueling via COBB’s CAN-integrated Flex Fuel system
- Silver-finished hardware provides a refined contrast to the Redline carbon fiber aesthetic
- Enhances turbocharger behavior with smoother boost response and reduced airflow restriction
- Optimized for 6-speed manual WRX models seeking improved responsiveness
- Compatible with COBB NexGen Stage 2+ CAN Flex Fuel OTS calibrations and custom tuning
- Engineered for precise fitment and reliable long-term durability
TECHNICAL SPECIFICATIONS
- Platform Compatibility: Subaru WRX 2018–2021
- Transmission Compatibility: 6-speed manual models
- Package Level: NexGen Stage 2+ with CAN-based Flex Fuel and Redline CF components
- Material: Redline Series carbon fiber paired with Silver-finished hardware
- Fuel Support: Pump gas, E85, and blended ethanol mixtures
- Tuning Requirement: COBB NexGen Stage 2+ CAN Flex Fuel OTS map or custom CAN-based tuning
- Performance Benefits: Improved airflow, enhanced knock resistance, smoother and more consistent power
- Included Components: Redline CF intake system, CAN Flex Fuel hardware, and required Stage 2+ upgrades
- Application: Premium street or performance builds seeking ethanol capability and upgraded aesthetics
VEHICLE FITMENT
- Subaru WRX 2018–2021
COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.









