1200cc Fuel Injectors for Subaru STI 2.5L Turbo - Bosch EV14 High Performance Set
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Scale your power with SouthBay’s 1200cc Bosch EV14 Fuel Injectors, specifically engineered for the Subaru 2.5L STI Turbo. Fully E85 and Ethanol compatible, these high-flow injectors provide the volume required for high-boost applications while maintaining excellent low-end control for a smooth idle. Features a direct-fit, top-feed design for a professional performance upgrade.
Elite Fueling for the EJ257 Engine
The SouthBay 1200cc fuel injector kit is designed for Subaru owners pushing the limits of the 2.5L platform. Utilizing modern Bosch EV14 technology, these injectors offer superior atomization compared to older, large-bore styles. This ensures that even at high flow rates, you maintain optimal combustion efficiency, sharper throttle response, and the tuning stability required for elite performance levels.
Precision Flow Matching
Every SouthBay set is dynamically flow-matched within 1% to ensure perfect synchronization across all cylinders. This is a critical safeguard for the EJ257 engine, protecting against lean conditions during high-load pulls. These are high-impedance injectors, allowing for a direct integration with your factory Subaru ECU without the need for additional resistor boxes.
Vehicle Fitment:
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Subaru Impreza WRX STI: 2004–2021 (2.5L EJ257)
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Subaru WRX: 2006–2014 (2.5L EJ255)
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Subaru Forester XT: 2004–2013 (2.5L Turbo)
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Subaru Legacy GT: 2005–2012 (2.5L Turbo)
Technical Specifications:
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Flow Rate: 1200cc/min at 43.5 PSI.
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Core Technology: Genuine Bosch EV14 (High Impedance).
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Fuel Compatibility: Safe for Pump Gas, Race Gas, and E85/Ethanol.
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Included Hardware: Premium Viton upper and lower O-rings.
