Xtreme-DI Direct Injectors Ford Mustang 2.3 EcoBoost (S550)

Engineered for High-Horsepower EcoBoost Applications.

Complete your fuel system upgrade with Xtreme-DI (XDI) High-Flow Direct Injectors, designed specifically for the Ford Mustang 2.3 EcoBoost (S550). These injectors are the essential next step for owners who have reached the flow limits of the factory injectors, especially when pushing for higher boost levels on E85 or pursuing builds exceeding 500 WHP.

XDI offers three tiers of flow capacity to suit your power goals: the 2000cc, 2500cc, and 3000cc sets. Unlike simply modified factory units, these are precision-engineered to maintain a perfect spray pattern and atomisation even at pressures up to 200 bar. These injectors allow you to deliver the massive volume required for big-turbo setups while retaining the driveability and cold-start characteristics of a factory vehicle.

Key Features

• Massive Flow Increase: Available in 2000cc, 2500cc, and 3000cc flow rates to support the most demanding EcoBoost builds.
• OEM Spray Pattern: Maintains factory-like fuel atomisation to ensure efficient combustion and engine longevity even at high flow volumes.
• High-Pressure Stability: Supports operating pressures up to 200 bar (2900 psi) with a minimum pulse width of 0.8ms.
• E85 Compatible: Fully compatible with all ethanol blends, petrol, and racing fuels.
• Direct Fitment: Engineered as a drop-in replacement for the factory S550 EcoBoost injectors.

Specifications

• Flow Options: 2000cc / 2500cc / 3000cc
• Max Operating Pressure: 200 bar (2900 psi)
• Min Pulse Width: 0.8ms
• Fuel Compatibility: All Ethanol blends (E85/E100), Petrol (Gasoline)
• Configuration: Direct Injection (DI)
• Quantity: Sold as a matched set of 4

Power Potential & Combinations

Note: Injector upgrades must be paired with an appropriate HPFP upgrade to realise full potential. Estimates based on E85 fuel.

• Upgraded Turbo (450–550 WHP):
  • Required: XDI Injectors paired with XDI-HPFP35 or EVO.
• Large Frame Turbo (550+ WHP):
  • Required: XDI Injectors paired with XDI-HPFP60.

What's In The Box?

• 4x Xtreme-DI High-Flow Direct Injectors (Matched Set)
• New Injector Seals (Pre-installed)

Note: Professional installation is highly recommended. Custom tuning is mandatory to calibrate the ECU for the increased injector flow rate and XDI driver profile. Compatible with COBB, SCT, and Standalone platforms.