• COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
  • COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)
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COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)

COBB NexGen Stage 2 Power Package w/Redline CF Intake | Subaru STI (15-21) (SUB004NG2S2-RED)

SUB004NG2S2-RED

In stock

$3,680.00 USD
$3,680.00 USD $3,680.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB NexGen Stage 2 Power Package with Redline Carbon Fiber Intake for the 2015–2021 Subaru STI is a comprehensive performance upgrade kit designed to enhance engine output and efficiency. This package includes the Subaru Accessport V3 (AP3-SUB-004) for advanced tuning capabilities, a lightweight Redline Carbon Fiber Intake for improved airflow, and a complete Subaru airbox and silicone turbo inlet V2 to optimize turbocharger response. Additional components such as the throttle body coupler, top feed 1050x fuel injectors, high flow fuel pump, fuel pressure regulator, fuel rail line kit, fuel rails, and spark plugs ensure a balanced fuel delivery system and reliable ignition. The kit is engineered for durability and performance, providing a significant power increase while maintaining emissions compliance.

This power package is specifically designed for the 2015 to 2021 Subaru WRX STI models, offering a bolt-on solution for enthusiasts seeking enhanced street and track performance. The included components are direct replacements or upgrades for factory parts, ensuring straightforward installation without extensive modifications. The kit supports emissions-controlled vehicles in all 50 states, making it suitable for daily driving as well as spirited driving scenarios. With all necessary fuel system and intake upgrades included, this package delivers a complete and cohesive performance enhancement tailored to the STI platform.

Overview

COBB Power Package

Fitment: Subaru WRX STI 2015-2021

Part #: SUB004NG2S2-RED

Overview

The COBB NexGen Stage 2 Power Package is a comprehensive performance drivetrain upgrade designed specifically for the 2015-2021 Subaru WRX STI. This package is ideal for enthusiasts seeking a well-rounded solution to enhance their vehicle’s power delivery, throttle response, and overall engine efficiency. It combines a suite of high-quality components engineered to work seamlessly together, providing a balanced upgrade path for those looking to maximize their STI’s potential without compromising reliability.

Included in this package are key parts such as the Subaru Accessport V3, Redline Carbon Fiber Intake, high-flow fuel system components, and upgraded spark plugs. These elements collectively support improved airflow, fuel delivery, and engine management, making it suitable for drivers aiming to elevate their vehicle’s performance for spirited driving or track use.

Key Features

This power package offers a thoughtfully curated set of components designed to enhance your STI’s engine performance and responsiveness:

  • Subaru Accessport V3 (AP3-SUB-004) for advanced tuning capabilities and customizable engine management
  • Redline Carbon Fiber Intake for optimized airflow and reduced intake temperatures
  • Subaru Silicone Turbo Inlet V2 and Throttle Body Coupler to improve throttle response and reduce intake restrictions
  • High-flow fuel system upgrades including Top Feed 1050x Fuel Injectors, Fuel Pump, Fuel Pressure Regulator, Fuel Rail Line Kit, and Fuel Rails to support increased fuel demands
  • Upgraded Subaru Spark Plugs to ensure reliable ignition under enhanced performance conditions
  • Includes Subaru Airbox and COBB Vehicle Badge for a complete and cohesive upgrade package

Installation & Fitment

This package is designed for direct fitment on 2015-2021 Subaru WRX STI models. Installation requires moderate mechanical knowledge and access to tuning software via the Accessport. Fitment should be verified against your vehicle’s specifications and the part number to ensure compatibility.

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