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  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK
  • COBB [15 - 18 STI] NexGen Stage 1 to Stage 2 + Flex Fuel Power Package Upgrade w/ Black Intake - JDMuscleEngine Package DealscobbSUB004NG2S1FF-S1-UP-BK

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NexGen Stage 1 to Stage 2+ Flex Fuel Power Package Upgrade w/ Black Intake

Fits: 15-18 STI Sedan MT USDM

$3,78000
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Auto Parts Store of the Year 2026

COBB Tuning NexGen Stage 1 to Stage 2+ Flex Fuel Power Package Upgrade w/ Black Intake
Fits: 15-18 STI Sedan MT USDM
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Fitment

  • 2015–2021 Subaru | WRX STI

Description

Upgrade a COBB Stage 1 setup to the NexGen Stage 2+ Flex Fuel Power Package for 2015-2018 Subaru WRX STI models with the Black SF Intake. This package combines the intake and supporting fueling, sensor, and installation hardware required for COBB’s NexGen Stage 2+ Flex Fuel upgrade path.

• Fits 2015-2018 Subaru WRX STI sedan, manual transmission, USDM.
• Includes Black SF Intake with airbox, Silicone Turbo Inlet V2, and Throttle Body Coupler.
• Includes 2.5L Spark Plugs, Top Feed 1050X Fuel Injectors, High Flow Fuel Pump, Fuel Pressure Regulator, Fuel Rail Line Kit, and Fuel Rails.
• Includes NexGen Flex Fuel Ethanol Sensor Kit, Fuel Pressure Sensor Kit, COBB vehicle badge, and supporting Stage 2+ Flex Fuel hardware.
• Designed as an upgrade for customers who already own a COBB Stage 1 Power Package.
• California sale or use on emissions-controlled vehicles is excluded; verify local emissions requirements before installation.
• References: https://www.cobbtuning.com/products/stage-package/subaru-stage-1-to-nexgen-stage-2-flex-fuel-power-package-upgrade-sti-2015-2018

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