COBB Tuning 1050x Top Feed Fuel Injectors | Multiple Subaru Fitments (312150)

Cobb Tuning
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1050x Top Feed Fuel Injectors by COBB Tuning

The COBB 1050x Fuel Injectors provide increased fuel flow while maintaining stock idle and driveability with proper tuning. Corrosion resistant internals make them compatible with all known fuels, capable of extended service life with corrosive fuels. Replaceable inlet filter extends service life.

Wanting to run E85 or need more fueling for your specific application? The COBB 1050x Fuel Injectors are your ticket. Simply add these injectors, fuel pump, tune, and you are off to the races. Sold in matched sets with dynamic flow rate variance of 1%.


  • Works with Stock Fuel Rail
  • Matched sets with dynamic flow rate variance within 1%
  • 14mm Bottom O-Ring
  • Data supplied for tuning injectors with Accesstuner Software


  • Nominal Flow Rate – 1065cc/min @ 3.0 Bar (43.5 psi) Using Gasoline at 52 Degrees C (125 Degrees F)
  • Maximum Differential Fuel Pressure – 10.0 Bar (145.0 psi)
  • Fuel Compatibility – Compatible With All Known Fuels
  • Electrical Connector – USCAR


  • 2002 - 2014 Subaru WRX
  • 2007 - 2020 Subaru STI
  • 2007 - 2012 Subaru Legacy GT
  • 2007 - 2009 Subaru Legacy GT Spec B
  • 2006 - 2013 Subaru Forester XT

What's In The Box?

  • 4 - COBB Tuning 1050x Fuel Injectors
  • 4 - Connectors
  • Warranty Information


  • COBB Tuning Limited Warranty

Customer Reviews

Based on 13 reviews
Cobb injectors

Super reliable injectors

Jason McGlone

Pleased to have these reliable tried and true injectors to safely get me to 450hp

Nestor Nieves

Super great

Chandler Richardson
Cobb fuel line

Looks amazing. I cant wait to install them.

Jason McGlone
Cobb injectors

I chose these bc of Cobb’s trusted name and I love that they come w the connectors as. They are perfect for the first step up in power.