Torque Solution PNP Speed Density Kit (Aluminum Bung): Subaru WRX 08-14, STI 08-21 | TS-WH-499PA STI_2015-2021 The IAG Performance Air /

The IAG Performance Air / Oil Separator Conversion Kit for the 15-21 WRX FA20 DIT engine is designed to switch the upper breather portion of the Street Series AOS to the Competition Series AOS

Pro 4 Off Road Trucks

remove the OEM spring

All shocks custom built to order

Part #: VG1079

Torque Solution PNP Speed Density Kit (Aluminum Bung): Subaru WRX 08-14, STI 08-21 | TS-WH-499PA STI_2015-2021 The IAG Performance Air /Fitment Information: Subaru WRX 2008 2014 (USDM JDM) Subaru STi 2008 2021 (USDM JDM) Torque Solution PNP Speed Density Kit allows you to easily switch from MAF setup to Speed Density without having to hack up your OEM harness. This adapter harness makes the kit a direct plug and play setup with no wire cutting or splicing required!! Requires the provided bung for the IAT sensor to be welded either on the throttle body side of your TMIC (choose