Torque Solution Plug & Play Speed Density Kit for 2002-2007 WRX & STI | TS-WH-497PA
Video description
Convert your Subaru from a MAF-based setup to Speed Density the easy way with the Torque Solution Plug & Play Speed Density Kit. Designed for 2002-2007 Subaru WRX & STI and other EJ turbo models, this kit eliminates the need to cut or splice your factory wiring by utilizing a direct plug-and-play adapter harness.
Ideal for high-horsepower builds, large turbo setups, and front mount intercooler applications, this kit includes everything needed to install a GM-style Intake Air Temperature (IAT) sensor for a proper Speed Density conversion.
Fitment:
Subaru WRX (2002-2007 USDM/JDM)
Subaru WRX STI (2002-2007 USDM/JDM)
Subaru Forester XT (2005-2012)
Subaru Legacy GT (2005-2012)
Features
- Plug-and-play adapter harness
- Direct-fit installation
- No cutting or splicing of the factory wiring
- Waterproof electrical connectors
- High-temperature wire loom
- Fast-response GM-style IAT sensor
- Aluminum weld-on bung included
- Backed by a 1-Year Warranty
Kit Includes
- Torque Solution GM-Style Intake Air Temperature (IAT) Sensor
- Torque Solution IAT / Speed Density Pigtail Harness
- 3/8" (-18) NPT Female Aluminum Weld Bung
Installation Notes
- The supplied aluminum weld bung must be welded into one of the following locations:
- The throttle body side of your top mount intercooler (TMIC)
- The upper charge pipe of a front mount intercooler (FMIC), just before the throttle body
- Be sure to determine the desired sensor location before removing or modifying the intercooler or charge pipe.
Important Note
A professional Speed Density calibration (Protune) is required. This kit is not plug-and-play from a tuning standpoint and will require ECU tuning before the vehicle can be operated properly.

