Engine Management

The IAG Performance MAF Sensor Block Off Plate for the 2002-07 Subaru WRX / STI is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block off plate can be used in...

The IAG Performance MAF Sensor Block Off Plate for the 2008+ Subaru WRX, 2008-21 STI & 2005-09 LGT is designed to seal the MAF sensor location on cars that are converted to speed density tuning (where the MAF sensor is no longer needed). The block...

The IAG MAF (Mass Air Flow Sensor) mounting flange is manufactured from aluminum and is designed to be welded onto a custom 3" aluminum pipe. The flange easily accepts the OEM MAF and o-ring. *Note this a part that requires fabrication and welding to use...

The IAG MAF (Mass Air Flow Sensor) mounting flange is manufactured from aluminum and is designed to be welded onto a custom 3" aluminum pipe. The flange easily accepts the OEM MAF and o-ring. *Note this a part that requires fabrication and welding to use...

The IAG Performance Map Sensor Adapter enables you to go beyond the limits of 23 psi with your Subaru. The OEM map sensor is limited to 23 psi and if you want to exceed that pressure, you are required to install an aftermarket MAP sensor*. Our adapter...

IAG Performance Universal Intake Air Temperature (IAT) Speed Density Kit. Kit includes weld on IAT aluminum bung, IAT sensor, IAT sensor connector and wiring.