COBB Stage 1+ to NexGen Stage 2+ CAN Flex Fuel Power Package Black 6-Speed (SUB004NG2W-BK2FF-S1P-UP) | Subaru WRX 2018-2021

The COBB Stage 1+ to NexGen Stage 2+ CAN Flex Fuel Power Package Black 6-Speed (SUB004NG2W-BK2FF-S1P-UP) provides 2018–2021 Subaru WRX 6-speed owners with the hardware required to advance from a Stage 1+ configuration into a full NexGen Stage 2+ CAN Flex Fuel setup. This upgrade unlocks ethanol-blended fueling capability, improves airflow efficiency, and enhances turbocharger response, allowing COBB’s NexGen tuning to deliver smoother power delivery, greater knock resistance, and broader tuning flexibility.

KEY FEATURES

• Upgrades a Stage 1+ Subaru WRX to full NexGen Stage 2+ CAN Flex Fuel configuration
• Compatible with 6-speed manual WRX models for optimized drivability and response
• Supports E85 and blended ethanol fuels through COBB’s CAN-integrated Flex Fuel system
• Improves airflow and reduces restriction for enhanced turbocharger performance
• Black hardware provides a clean, cohesive under-hood appearance
• Delivers smoother torque delivery, improved combustion stability, and expanded tuning headroom
• Works with COBB NexGen Stage 2+ CAN Flex Fuel OTS maps and custom tuning solutions
• Engineered for precise, reliable, OEM-like installation

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru WRX 2018–2021
• Transmission Compatibility: 6-speed manual models
• Upgrade Type: Stage 1+ to NexGen Stage 2+ CAN Flex Fuel conversion
• Fuel Support: Pump gas, E85, and blended ethanol mixtures
• Tuning Requirement: COBB NexGen Stage 2+ CAN Flex Fuel OTS calibration or custom NexGen CAN tuning
• Performance Benefits: Increased knock resistance, improved airflow efficiency, enhanced turbo response
• Included Components: Hardware required to achieve NexGen Stage 2+ CAN Flex Fuel capability
• Application: Ideal for street and performance builds seeking ethanol-enabled gains and refined drivability

VEHICLE FITMENT

• Subaru WRX 2018–2021

COBB delivers proven, data-driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.