COBB Stage 1+ to NexGen Stage 2+ CAN Flex Fuel Power Package Silver 6-Speed (SUB004NG2W-SL2FF-S1P-UP) | Subaru WRX 2018-2021

The COBB Stage 1+ to NexGen Stage 2+ CAN Flex Fuel Power Package Silver 6-Speed (SUB004NG2W-SL2FF-S1P-UP) provides 2018–2021 Subaru WRX 6-speed owners with the hardware required to advance from a Stage 1+ configuration into a NexGen Stage 2+ CAN Flex Fuel setup. By improving airflow efficiency and enabling ethanol-blended fuel capability, this upgrade allows COBB’s NexGen tuning to deliver sharper turbo response, smoother power delivery, and broader calibration flexibility.

KEY FEATURES

• Upgrades a Stage 1+ Subaru WRX to full NexGen Stage 2+ CAN Flex Fuel configuration
• Optimized for 6-speed manual WRX models seeking improved responsiveness and drivability
• Supports E85 and blended ethanol fuels through COBB’s CAN-integrated Flex Fuel system
• Enhanced airflow reduces restriction for improved turbocharger efficiency
• Silver-finished hardware provides a clean and refined engine bay presentation
• Delivers smoother torque delivery, increased knock resistance, and expanded tuning options
• Compatible with COBB NexGen Stage 2+ CAN Flex Fuel OTS maps and custom tuning
• Designed for reliable, OEM-like fitment with long-term durability

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 ethanol-blended mixtures
• Tuning Requirement: COBB NexGen Stage 2+ CAN Flex Fuel OTS map or custom CAN-based tuning
• Performance Benefits: Improved airflow, stronger knock resistance, and smoother power delivery
• Included Components: CAN Flex Fuel hardware, airflow upgrades, and NexGen Stage 2+ supporting components
• Application: Ideal for WRX owners seeking ethanol-enabled performance gains with 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.