Civic 06-11 Si | ID2600-XDS | Injector Dynamics | 2600.48.14.14.4
ID2600-XDS, for 06-11 Civic Si / K-series. 14mm (grey) adapter top. Set of 4.
The ID2600-XDS is the most recent offering from the partnership of Injector Dynamics and Bosch Motorsport.
The ID2600-XDS was developed specifically for use with liquid fuels, featuring corrosion resistant internals, and long term compatibility with ethanol and methanol.
The ID2600-XDS has the highest flow rate of any injector offered by Bosch, and flows 50% more than the ID1700x.
The ID2600-XDS benefits from Dual Slope Matching, a method of matching the flow rate in both the linear, and nonlinear operating range, providing better cylinder to cylinder consistency at low pulse widths.
Basic Specifications
- Nominal Flow Rate – 2600cc/min @ 3.0 Bar (43.5 psi)
- Maximum Differential Fuel Pressure – 9.0 Bar (130.5 psi) – Requires Minimum 11volt.
- Fuel Compatibility – Compatible with Methanol/Ethanol/All Known Hydrocarbons. NOT Compatible with Ethers (MTBE, ETBE, TAME) or Nitro Methane
- Electrical Connector – USCAR
Details
What is Dual Slope Matching?
Dual Slope Matching is a method of matching injectors that provides the best possible cylinder to cylinder fueling across the entire operating range.
Traditionally, injectors were matched based on static flow rate alone, which resulted in large deviations at low pulse widths.
Injector Dynamics introduced Slope Intercept Matching over a decade ago, which provided even cylinder to cylinder fueling across the linear operating range of the injector.
With the progression of turbo technology, and increased use of alcohol fuels, greater demands are placed on fuel injectors, and they are often required to deliver fuel well outside of their linear operating range.
The concept of Dual Slope Matching extends the injector matching into the lower non linear operating range. Dual Slope Matching was conceived by Aaron Looft of Injector Dynamics, who was inspired by the dual slope injector characterization model used by Ford.
For additional information about Dual Slope Matching please click HERE
Frequently Asked Questions About the Civic 06-11 Si ID2600-XDS Injectors
Absolutely. The ID2600-XDS set offers more than enough flow capacity for high-boost K20Z3 applications on full E85, including turbo and supercharger builds pushing well beyond typical street-performance power levels. Their linearity and precise control make them suitable for both aggressive setups and daily-driven cars.
Yes. The injectors are manufactured to the correct 48mm compact body length and include the proper upper and lower O-rings. They drop in under the factory or aftermarket rail with no spacers, adapters, or manifold changes required.
Injector Dynamics provides complete characterization data—including injector latency, flow curves, and short pulse width mapping—on their official support website. This data integrates seamlessly with Hondata FlashPro, Motec, Haltech, AEM, and other popular tuning platforms.
Yes. The K20Z3 uses USCAR connectors, which match the native plug on the ID2600-XDS injectors. No electrical adapters or rewiring is necessary.
The ID2600-XDS incorporates Dual Slope Matching for exceptional consistency at extremely low pulse widths. This prevents common issues like stumble, hunting, or lumpy idle that occur with poorly matched large injectors, ensuring smooth OEM-like idle quality even on petrol. Can the ID2600-XDS injectors support the fuel demands of a high-boost K20Z3 engine running full E85?
Does the 48mm body length fit directly under the Civic Si (K20Z3) fuel rail without modification?
Where can my tuner download the official Injector Dynamics calibration data for the ID2600-XDS?
Is this injector set plug-and-play with the 06–11 Civic Si wiring harness?
How does the ID2600-XDS maintain a stable, clean idle on a naturally aspirated K20Z3 using pump petrol?
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