COBB Top Feed 1050X Fuel Injectors (312150) | Subaru WRX 2002-2014 / STI 2007-2021

The COBB Top Feed 1050X Fuel Injectors (312150) deliver the high-flow fuel delivery essential for tuned or high-boost 2002–2014 Subaru WRX and 2007–2021 STI engines enabling you to reliably support increased power levels while maintaining stable fuel pressure and accurate fuel metering under load. These injectors are engineered for maximum performance and reliability, making them ideal for serious builds, modified engines, or high‑performance tuning setups.

KEY FEATURES

• High-flow top-feed injectors supplying sufficient fuel for upgraded turbo, higher boost or performance builds
• Direct‑fit compatibility with stock fuel rail systems on supported WRX and STI models
• Improved fuel atomization and consistent spray pattern for precise fueling under boost and high demand
• Supports higher horsepower and torque targets compared to stock injectors suitable for tuned and modified engines
• Engineered for durability under sustained high-pressure fuel environments, boost, and temperature swings
• Ideal for daily-driven tuned builds or track‑oriented performance setups requiring reliable fuel delivery

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru WRX 2002–2014, Subaru STI 2007–2021
• Injector Type: Top‑feed high‑flow performance injectors
• Flow Rate: 1050 cc/min (or stock‑equivalent flow for high‑output applications) supports increased fuel demand under boost
• Installation: Direct‑fit uses OEM fuel rails and connectors; minimal modification required
• Performance Benefits: Stable high‑flow fuel delivery, consistent air/fuel ratio under boost, supports higher horsepower builds
• Application: Ideal for turbocharged WRX/STI builds, modified or stock block, daily‑driven or performance‑tuned cars

VEHICLE FITMENT

• Subaru WRX 2002–2014
• Subaru STI 2007–2021

COBB delivers proven, data‑driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.