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  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System
  • Cobb [08 - 14 STI Hatch ] Stage 3 + Flex Fuel Power Package - JDMuscleStaged Power PackagescobbSUB0031H3F-BKStealth Black Intake System

COBB Tuning

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COBB Stage 3 + Flex Fuel Power Package

Fits: 08-14 STI Hatch

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$6,06500
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Auto Parts Store of the Year 2026

COBB Tuning COBB Stage 3 + Flex Fuel Power Package
Fits: 08-14 STI Hatch
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Fitment

  • 2008-2014 Subaru | WRX STI

Description

The COBB Stage 3 + Flex Fuel Power Package for the 2008–2014 Subaru STI hatch combines Accessport tuning with upgraded intake, exhaust, fueling, and ethanol-sensing hardware for a complete high-power setup. It supports staged COBB maps or custom calibration while providing the components needed to run flex-fuel tuning safely.

  • Fits 2008–2014 Subaru STI Hatch
  • COBB Accessport
  • SF Intake System and SF Airbox
  • Stainless-steel 3-inch downpipe and cat-back exhaust
  • Stainless-steel turbo heatshield
  • Flex Fuel Ethanol Sensor Kit and Fuel Pressure Sensor Kit
  • AEM high-flow fuel pump
  • Top-feed 1050x fuel injectors and fuel rails
  • Fuel rail line kits and fuel pressure regulator
  • Subaru throttle-body coupler and silicone turbo inlet
  • COBB vehicle badge
  • Stealth Black and Cobb Blue intake variants available
  • Product codes: SUB0031H3F-BK and SUB0031H3F-BL
  • Not legal for sale or use in California on emissions-controlled motor vehicles

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