IAG PTFE Flex Fuel System Kit w/ 1300cc Injectors, Lines, FPR, Black Fuel Rails

2015-2021 Subaru STI

Ships for free in the 48 states

SKU: IAG-AFD-2611BKWe price match!

On order from MFG
Average time to ship: 34 business days

The PTFE Flex Fuel System Kit will include black fuel rails to take the Subaru STI into the next power level. 
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IAG PTFE Flex Fuel System Kit w/ 1300cc Injectors, Lines, FPR, Black Fuel Rails


  • Black fuel rail option
  • PTFE is a coating that resists heat and corrosion, making it ideal for all automotive fluid types
  • PTFE hoses will not allow the permeation of fuel vapors and will eliminate the chance of fuel smell that other lines can exhibit 
  • Pre-assembled to application-specific lengths for a direct installation
  • Complete fuel system to increase the power and supplement your modifications with a proper amount of fuel 



  • IAG 1300cc Fuel Injectors
  • IAG PTFE Fuel Line Kit
  • Aeromotive Fuel Pressure Regulator
  • IAG Fuel Pressure Guage
  • IAG 90-Degree Gauge Adapter
  • IAG Top Feed Fuel Rails 
  • Fuel rails will come in the black finish


Installation notes:

  • Aftermarket TGV housings are required for the installation
  • The included bracket is designed to safely mount an Aeromotive Fuel Pressure Regulator on the driver side strut tower which will replace the factory regulator 
  • Designed to work with the COBB Tuning Flex Fuel Sensor (sold separately)


IAG PTFE Flex Fuel System Kit

As ethanol has quickly become of the most popular and utilized fuels in the race and aftermarket industry, it can be harmful in terms of corrosion in older-style fuel systems. Meaning that if you leave ethanol in your vehicle for long periods of time or if you daily drive with ethanol it can take a toll on rubber and plastic components within your fuel system. 

PTFE is a super durable coating that will resist both heat and corrosion, and IAG has put together a comprehensive fuel system that includes injectors and all of the pre-cut lines and fittings to take your Subaru STI to the next power level. All components have been carefully chosen to work seamlessly together and will work with all fuel types including ethanol. If you are adding more power and more boost to your vehicle, then you must upgrade your fuel system otherwise you are putting a limit on your modifications, and you risk leaning your motor out if you push the limits of your fuel system. 


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