Injector Dynamics - ID1050x XDS Fuel Injectors - Subaru WRX / STi / Legacy GT / Forester XT - 1050.48.11.WRX

The Injector Dynamics ID1050x XDS Fuel Injectors (Part #1050.48.11.WRX) represent the evolution of the legendary ID1000, delivering improved flow, precision, and durability for modern performance builds. Developed in partnership with Bosch Motorsport, the ID1050x is a purpose-built motorsport injector, not a modified production unit—engineered to meet the exacting demands of today’s tuners.

With a nominal flow rate of 1065cc/min, corrosion-resistant internals, and stable operation up to 10 bar fuel pressure, the ID1050x provides exceptional low-pulse control while supporting high horsepower applications. Designed as a plug-and-play solution for supported Subaru platforms, these injectors are compatible with all known fuels, including ethanol blends, for long service life and consistent performance.

Key Features

• 1065cc/min nominal flow rate @ 3.0 bar (43.5 psi)

• Purpose-built motorsport injector (not modified OEM)

• X-Series (XDS) design with improved internal flow path (+5% output)

• Excellent low-flow and idle control

• Corrosion-resistant internals for compatibility with all known fuels

• Stable operation up to 10 bar (145 psi) fuel pressure

• Compact short-body design fits 200+ applications

• Replaceable inlet filter for extended service life

• USCAR electrical connector

• Plug-and-play fitment for supported Subaru models

Technical Specifications

• Nominal Flow Rate: 1065cc/min @ 3.0 bar (43.5 psi)

• Maximum Differential Fuel Pressure: 10.0 bar (145 psi)

• Fuel Compatibility: All known fuels (including ethanol blends)

• Electrical Connector: USCAR

Fitment

• Subaru WRX: 2002–2014

• Subaru STi: 2007–2020

• Subaru Legacy GT: 2007–2011

• Subaru Forester XT: 2007–2011

What’s Included

• Injector Dynamics ID1050x XDS Fuel Injectors (vehicle-specific set)

Part Number

• 1050.48.11.WRX