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Injector Dynamics ID1700XDS Top-feed Conversion Fuel Injector Kit – 04-06 STI

Injector Dynamics ID1700XDS Top-feed Conversion Fuel Injector Kit – 04-06 STI


After many requests from Subaru owners, we came up with a solution for those stuck with a side feed injector and a severely lacking selection of fuel injectors. In the past, it was required to source the Tumble Generator Valves (TGV) from another Subaru application with top feed injectors and swap them and the fuel rails to convert to a top feed injector setup.

Not anymore, we’ve developed a new injector and rail combo that will allow you to fit any of the Injector Dynamics lineup into your side feed TGV’s with ease.

This injector kit is designed for 2004-2006 STI with sidefeed TGV’s to allow you to run top feed fuel injectors.

Pair this kit with the Injector Dynamics Side Feed Conversion Fuel Line Kit for Easy Install.


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This product may not be available for local pick-up. Contact us for more details.



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Conversion Kit

The rail and mounting spacers are CNC’d aluminum and are black anodized. 8mm stainless steel mounting hardware is included as well. Inlet and outlet threads on the rail are -6 AN female and seal with an oring leaving plenty of flexibility for plumbing options. The rail kit is only sold with Injector Dynamics injectors.


  • 4 Injectors
  • 4 Injector connectors
  • 2 Rails
  • 4 Spacers
  • 4 SS Allen Head Mounting

Injector Dynamic ID1700x

The ID1700 is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport. The ID1700 was designed to fill the gap between the ID1300 and the ID2000, and like the ID1300, it features corrosion resistant internals making it compatible with all known automotive fuels.

A unique magnetic circuit, resulting from a lengthy development program, makes the ID1700 immune to voltage and pressure sensitivity problems that plague other high impedance high flow injectors. The ID1700 excels at high pressures typical of current automotive systems, and will perform flawlessly in these applications.

The ID1700 was designed to be an all fuel compatible injector, capable of very high flow rates. As such, it will most often be used to deliver E85 to boosted engines, or occasionally, gasoline in extreme high horsepower applications. Neither of these applications requires extended linearity at low flow rates, and so this was given a proportionately lower priority during the design process.

The ID1700 will deliver flawless stoichiometric idle and cruise mixtures on E85, but like the ID2000, should not be expected to do so on gasoline.

If you need flawless drivability on gasoline, the ID1300 will provide this, and is capable of approximately 150hp per injector on E85.

Quick Specs

  • Nominal Flow Rate – 1725cc/min @ 3.0 Bar (43.5 psi) Using Iso-Octane at 52 Degrees C (125 Degrees F)
  • Maximum Differential Fuel Pressure –  7.0 Bar (101.5 psi)
  • Fuel Compatibility – Compatible with Methanol/Ethanol/All Known Hydrocarbon Fuels.
  • Electrical Connector – USCAR
  • Plug and Play data from Injector Dynamics for Cobb Accesstuner
  • Flow matched Sets – superior idle and drivability characteristics
  • Terminal, Seals, and Connectors Included
  • Plug and Play Adapters sold separately


Additional Information

Weight 2.1 lbs
Dimensions 8.5 × 4.8 × 3 in


  • 2004-2006 Subaru STI


Plug and Play Data

Plug and Play Data for Accesstuner