Legacy GT / Forester XT (07-13) | ID1700 | Injector Dynamics | 1700.48.11.WRX.4-0

Legacy GT / Forester XT (07-13) | ID1750-XDS | Injector Dynamics | 1750.48.11.WRX.4

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ID1750-XDS, for Legacy GT & Forester XT / Turbo 2.0L & 2.5L. WRX-16B bottom adapters. 11mm (red) adapters

The Best Just Got Better!

The ID1750 is the successor to the ID1700, featuring numerous improvements.
Compared to the 1700, the 1750 offers:

Higher Dynamic Flow Rate With no Increase in Minimum Fuel Mass.
Better Cylinder to Cylinder Balance at Low Pulsewidths.
Improved Pressure Sensitivity.

All while retaining the same “Compatible with everything but dirt” corrosion resistance that made the ID1700 famous.

Nominal Flow Rate – 1728cc/min @ 3.0 Bar (43.5 psi), Using E10 Emissions Certification Fuel at 49 Degrees C (120F)
Maximum Differential Fuel Pressure – 7.0 Bar (101.5 psi)
Fuel Compatibility – Compatible with Methanol/Ethanol/MTBE/Nitromethane/All Known Hydrocarbon Fuels.
Electrical Connector – USCAR

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Frequently Asked Questions About the Forester XT (07-13) ID1750-XDS Injector

For what power levels is the ID1750-XDS recommended for the Legacy GT / Forester XT?

The ID1750-XDS is essential for extreme-power EJ255 engines, typically those making over 500 horsepower on pump gas or targeting high boost on E85 fuel. They provide the massive flow and control needed for large turbo setups.

How does the part number 1750.48.11.WRX.4 ensure fitment on the Legacy GT / Forester XT?

This specific Injector Dynamics part number is configured for plug-and-play installation. It matches the required 48mm short body length and includes the correct 11mm top hat and USCAR electrical connector.

Will the high flow of the ID1750-XDS negatively affect the Subaru's idle or drivability?

No. The ID1750-XDS is optimized for superior low-pulsewidth linearity, achieving a minimum pulse width of under 0.60ms. With a professional custom tune, your engine will maintain a smooth, stable idle despite the high flow rate.

What crucial fuel system components must be upgraded to run these injectors safely?

To maintain stable rail pressure under high boost, you must upgrade to a high-volume fuel pump (or dual pumps for these power levels), high-flow fuel rails, and an adjustable fuel pressure regulator (FPR).

Is the ID1750-XDS suitable for E85-only use and what is the durability benefit?

Yes, they are highly recommended for E85 use. The stainless steel internals offer corrosion resistance against the alcohol content, ensuring long-term reliability and consistency for your Subaru performance build.