High Performance Subaru STi - EJ25 Fuel Injectors

About Excess Fuel Injectors for Subaru WRX STI EJ25

Elevate your Subaru WRX STI - EJ25's performance with Excess Injectors! Explore our meticulously engineered range of high-quality fuel injectors, crafted to propel your vehicle's capabilities to unparalleled heights.

Crafted to potentially be the world's premier upgrade for your Subaru WRX STI - EJ25's fuel system, our high-performance injectors ensure precise and optimized fuel delivery, guaranteeing maximum horsepower and refined control.

With a set of Excess Injectors, you're not just acquiring high-performance components – you're also gaining access to the Exact Match Data app. This innovative tool is tailored to unlock the full potential of your Subaru WRX STI - EJ25 fuel injectors, providing comprehensive testing and matching data specifically designed for your engine.

Shop from our wide range of fuel injector sizes including 710cc, 1000cc, 1100c, 1200cc and 1500cc. Perfectly achieve your desired engine and driving outcomes with our injector calculator created to help you maximize the performance of your Subaru WRX STI EJ25.

Subaru Models

Subaru WRX STI EJ25 Fuel Injector FAQs

How do I access tuning data for my Subaru WRX STI equipped with the EJ25 engine?

Accessing tuning data for your Subaru WRX STI with the EJ25 engine is straightforward. Simply gather the serial numbers from two different injectors in your set and proceed to our Data Download platform. Input these serial numbers to unlock access to an exclusive online portal. Within this portal, you can conveniently download the tuning data in your preferred format. Additionally, detailed flow profiles for each injector and comprehensive information regarding the testing parameters utilized are provided, empowering you to optimize your vehicle's performance effectively.

What is the maximum fuel pressure rating for Excess Injectors designed for the Subaru WRX STI EJ25?

Excess Injectors engineered for the Subaru WRX STI with the EJ25 engine are built to withstand fuel pressures of up to 8 bar (116 psi) reliably. It's crucial to consider both your base fuel pressure and any additional boost pressure to ensure they remain within the 116 psi limit for optimal performance and longevity.

What pressure rating do injectors for the Subaru WRX STI EJ25 possess?

All Excess Injectors tailored for the Subaru WRX STI with the EJ25 engine are clearly rated at 3 bar (43.5 psi). We prioritize clear communication to eliminate any confusion regarding specifications. Unlike some competitors who may advertise higher injector ratings with disclaimers mentioning lower pressures elsewhere, Excess provides consistent and transparent pressure ratings across our entire fuel injector range for Subaru vehicles.