Torque Solution PNP Speed Density Adapter Harness Subaru WRX 08-14 / STI 08-21 | TS-WH-499 Forester_1998-2002 By preventing oil and contaminants

By preventing oil and contaminants from re-entering the engine

It does a great job at this but if boost is available under the MBC setting it will give you that full boost

Cobb Tuning has re-set the bar for Subaru performance intakes

We highly recommend that you know what you are doing when purchasing these

COBB offers individual components for the Subaru FMIC kits for those who are looking to piece together a custom turbocharger/intercooler setup

Torque Solution PNP Speed Density Adapter Harness Subaru WRX 08-14 / STI 08-21 | TS-WH-499 Forester_1998-2002 By preventing oil and contaminantsFitment Information: Subaru WRX 2008 2014 (USDM JDM) Subaru STi 2008 2021 (USDM JDM) Subaru Forester XT 2009 2014 Subaru Legacy GT 2010 2012 Subaru Outback XT 2010 2012 Torque Solution PNP Speed Density Adapter Harness allows you to easily switch from MAF setup to Speed Density without having to hack up your OEM harness. This adapter harness is a direct plug and play with the OEM harness plug and GM Style IAT sensor, such as AEM part# 30 2010.