4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT
4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT are high-flow fuel injectors priced at $55.17, ideal for turbocharged Subarus needing increased fuel delivery for performance tuning and engine upgrades.
● In stock
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Key features
- 950cc high-flow capacity for performance tuning
- Direct fit for Subaru WRX STI Legacy GT models
- Compatible with EJ20 EJ25 EJ255 EJ257 engines
- Top feed design matches OEM configuration
- Upgrade option for Mazda Miata RX-8 Eclipse
- Supports turbocharged and forced-induction builds
- Affordable $55.17 price for full 4-piece set
Pros
- +High flow rate supports power upgrades
- +Drop-in fitment for popular Subaru models
- +Cost-effective for performance injector set
- +Suitable for tuned and boosted engines
- +Works across multiple Japanese platforms
Cons
- −Requires ECU tuning for optimal performance
- −Not OEM-rated for stock engine setups
About 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT
What is 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT?
These 4pcs Top Feed 950cc Fuel Injectors are precision-engineered fuel delivery components designed for high-performance Subaru models including WRX, STI, and Legacy GT from 2006 to 2014. With a flow rate of 950cc, they support increased horsepower and torque in modified turbocharged EJ20, EJ25, EJ255, and EJ257 engines. These drop-in replacements are optimized for top-feed fuel rail setups and are ideal for tuners seeking reliable fuel delivery under high boost conditions.
Key features
- High Flow Rate — 950cc capacity supports performance and forced-induction upgrades.
- Direct Fit — Compatible with Subaru WRX, STI, Legacy GT, and Forester XT models.
- Broad Fitment — Works with EJ20, EJ25, EJ255, and EJ257 engine platforms.
- Top Feed Design — Matches OEM-style top-feed configuration for easy installation.
- Upgrade Ready — Suitable for use in Mazda Miata, RX-8, and Mitsubishi Eclipse models.
- Reliable Performance — Designed for consistent fuel atomization and spray pattern.
- Affordable Price — Full set available for $55.17, offering value for performance builds.
Who is 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT for?
This set is ideal for Subaru enthusiasts, DIY mechanics, and performance tuners upgrading their engine for higher output. It suits users with moderate mechanical skills who are modifying turbocharged Subarus or cross-platform builds requiring reliable high-flow injectors. Racers, track-day drivers, and forced-induction hobbyists will benefit most.
How does 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT compare?
Compared to stock 550–565cc injectors, this 950cc set delivers significantly higher fuel volume, making it better suited for tuned and boosted engines. It outperforms standard polypropylene fuel injectors in flow and durability, though it may require ECU tuning. While not as large as race-only 1000cc+ units, it strikes a balance between street usability and performance, offering better value than pricier branded sets.
Best use cases
- →Turbocharged Subaru performance upgrades
- →DIY engine builds with increased horsepower
- →Track-day or racing engine configurations
- →ECU-tuned street performance vehicles
- →Cross-platform swaps in Miata or Eclipse
Is 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT right for you?
Buyers with modified Subaru WRX, STI, or Legacy GT engines should consider these injectors for increased fuel delivery. Ideal for intermediate DIYers with tuning experience. Requires compatible ECU tuning. Alternatives include OEM 550cc injectors for stock builds or higher-capacity 1000cc units for race-focused setups.
How it compares: Compared to stock 550cc injectors, these 950cc units offer greater flow for tuned engines. They outperform standard replacement injectors in performance applications but are more affordable than premium race-spec sets.
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What vehicles are these 950cc fuel injectors compatible with?
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These injectors fit 2006–2014 Subaru Impreza WRX, 2006–2013 Forester XT, 2012 Legacy 2.5GT, and models with EJ255 or EJ257 engines. Also used in Mazda Miata, RX-8, and Mitsubishi Eclipse swaps.
Does this set require ECU tuning after installation?
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Yes, installing 950cc injectors requires ECU tuning to adjust fuel maps and ensure proper air-fuel ratios. Running without tuning may cause poor performance or engine damage.
How do 950cc injectors improve performance?
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Higher cc rating allows more fuel delivery, supporting increased horsepower and torque in turbocharged engines, especially when running higher boost levels or performance mods.
Is this a direct replacement for stock injectors?
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Yes, these are top-feed drop-in replacements for OEM injectors on compatible Subaru models, requiring no modifications to the fuel rail or intake manifold.
Can these injectors be used in naturally aspirated engines?
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While physically compatible, 950cc injectors are oversized for NA engines and may cause poor idle or fuel economy. Best suited for forced-induction or high-horsepower builds.
How much does 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT cost?
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4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT is $55.17 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.
Is 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT in stock at Lab Work Auto?
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Yes, 4pcs Top Feed 950cc Fuel Injectors For Subaru WRX / STI Legacy GT is currently in stock at Lab Work Auto.
Specifications
- SKU
- F7-5566