IAG IAT Speed Density Kit — Universal
Install an IAT Sensor for Speed Density Tuning
The IAG IAT (Intake Air Temperature) Speed Density Kit provides all components needed to install an IAT sensor in a custom intake location for speed density tuning applications. Includes a weld-on aluminum IAT bung, an IAT sensor, the IAT sensor connector, and wiring. Universal fitment for race cars, rally cars, and track cars using speed density-based engine management.
DETAILS
- Weld-on aluminum IAT bung
- IAT sensor included
- IAT sensor connector and wiring included
- Universal fitment
- Designed for race car, rally car, and track car applications
- Required for speed density tuning setups that need an IAT sensor in the intake path
Speed Density and IAT Sensors
Speed density tuning uses a MAP sensor and intake air temperature sensor to calculate engine load instead of a mass airflow sensor. The IAT sensor measures the temperature of the incoming charge air, which affects air density and is required for accurate fueling calculations. Installing an IAT sensor in the intake piping is a standard step when converting to or building a speed density tuning system.
Weld-On Bung Design
The kit includes an aluminum bung that is welded to the intake piping at the desired IAT sensor location. The bung provides the correct threaded seat for the included sensor. After welding and cooling, the sensor threads directly into the bung.
Universal Application
This kit is universal — suitable for any intake piping material and location where an IAT sensor needs to be installed. The weld-on design allows placement at the optimal location for accurate air temperature measurement in the intake path.
Why Choose IAG Performance
IAG Performance has been building Subaru-specific engine and drivetrain components since 2001, and in that time they have become the standard by which serious Subaru builds are measured. Based in Westminster, Maryland, IAG designs, machines, and assembles their products in-house using Haas CNC equipment and their own engineering team. Their catalog spans everything from short blocks and long blocks rated to 1150 BHP all the way down to the fuel system, oiling, and drivetrain hardware that keeps modified Subarus running reliably for years. Every IAG product exists because a problem needed a better solution than what was available — and the engineering shows.
The RallySport Take
The IAG IAT Speed Density Kit is the complete solution for adding an intake air temperature sensor to a custom intake setup. Everything needed for installation is in one kit — bung, sensor, connector, and wiring.
Fitment
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | — | — | — |





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