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  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System
  • Cobb [15 - 18 STI] Stage 3 Power Package - JDMuscleEngine Package DealscobbSUB0041030-BKStealth Black Intake System

COBB Tuning

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COBB Stage 3 Power Package - Cobb Blue/Stealth Black Intake

Fits: 15-18* STI

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$5,24500
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Auto Parts Store of the Year 2026

COBB Tuning COBB Stage 3 Power Package - Cobb Blue/Stealth Black Intake
Fits: 15-18* STI
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Fitment

Please Note: 2015–2018 Subaru WRX STI; exact package range retained from the product listing and the approved fitment bucket is 2015–2018 WRX STI.
  • 2015–2021 Subaru | WRX STI

Description

The COBB Stage 3 Power Package combines Accessport V3 tuning with a stainless steel turboback exhaust, SF Intake and Airbox, heat shielding, and upgraded fueling hardware to maximize factory-turbo performance on supported Subaru STI applications.

  • Fitment: 2015–2018 Subaru WRX STI
  • Includes SUB-004 Accessport V3
  • Includes SF Intake and Airbox with Cobb Blue or Stealth Black intake option
  • Includes 3-inch stainless steel turboback exhaust and stainless steel turbo heatshield
  • Includes high-flow fuel pump, 725cc injectors, and fuel-pressure regulator upgrade
  • Includes COBB vehicle badge
  • Simple bolt-on package designed for staged tuning
  • Not legal for sale or use in California on emissions-controlled motor vehicles
  • Official reference: COBB product search

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Limited Manufacturer Warranty

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