• COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
  • COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)
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COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)

COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade | Subaru WRX STI (08-21) (SUB004NG2FF-S1P-UP)

SUB004NG2FF-S1P-UP

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$3,230.00 USD
$3,230.00 USD $3,230.00 USD
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The COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade is a performance enhancement kit designed specifically for Subaru WRX STI models from 2008 to 2021. This upgrade transforms the existing Stage 1+ Power Package into the more advanced NexGen Stage 2+ Flex Fuel setup, enabling optimized engine tuning for ethanol-blended fuels. The package focuses on delivering increased power and improved fuel flexibility, allowing the engine to adapt efficiently to varying ethanol content. Key features include the NexGen Flex Fuel Ethanol sensor and tuning components that enhance reliability and performance under demanding driving conditions, making it ideal for enthusiasts seeking a robust and adaptable power upgrade.

This upgrade is compatible with Subaru WRX STI models spanning the 2008–2021 model years, providing a direct enhancement to the existing COBB Stage 1+ setup. Installation involves integrating the NexGen Flex Fuel sensor and updating the engine management system to support ethanol blends, ensuring seamless operation and improved power delivery. The package is suited for street and track use where fuel flexibility and performance gains are desired. By upgrading to this kit, drivers gain the ability to safely run higher ethanol content fuels, maximizing power output while maintaining engine reliability and efficiency.

Overview

COBB Power Package Upgrade

Fitment: Subaru WRX STI 2008-2021

Part #: SUB004NG2FF-S1P-UP

Overview

The COBB Stage 1+ to NexGen Stage 2+ Flex Fuel Power Package Upgrade is designed to elevate the performance of your Subaru WRX STI models from 2008 to 2021. This advanced upgrade allows enthusiasts to transition from the Stage 1+ setup to a more capable Stage 2+ package that supports flex fuel operation, enabling the use of ethanol blends for optimized engine output and efficiency. Ideal for drivers seeking enhanced power delivery and fuel adaptability, this package helps your STI perform reliably under demanding driving conditions.

Key Features

This upgrade package includes essential components engineered to support flex fuel capabilities and improved power management:

  • Supports ethanol blend fuels for flexible tuning and fuel options
  • Designed to optimize engine performance beyond Stage 1+ levels
  • Enhances power delivery while maintaining reliability
  • Compatible with Subaru WRX STI models from 2008 through 2021
  • Includes the NexGen Flex Fuel Ethanol components for seamless integration

Installation & Fitment

Installation of this upgrade requires verification of compatibility with your specific STI model year and existing Stage 1+ setup. The package is intended as a direct upgrade path, designed to integrate smoothly with COBB’s tuning ecosystem. Proper installation ensures your vehicle can fully leverage the benefits of flex fuel tuning and Stage 2+ performance enhancements.

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