Upgrade your Subaru WRX or WRX STI with the Torque Solution PNP Speed Density Kit, designed for model years 2008-2014 WRX and 2008-2021 STI. This premium kit lets you easily switch from a MAF setup to a speed density system without cutting or splicing your OEM harness. Enjoy a clean, plug-and-play installation that maintains your vehicle’s wiring integrity and improves tuning flexibility.

The kit features a direct-fit adapter harness with waterproof connectors, a high-temp wire loom, and a fast-response GM style IAT sensor. It includes a durable stainless steel 3/8" NPT female weld-on bung for mounting the IAT sensor on your throttle body side TMIC or FMIC upper charge pipe. Note that a professional tune is required to run speed density. This setup is perfect for Subaru enthusiasts seeking reliable performance upgrades with easy installation.

Ideal for WRX and WRX STI owners wanting a seamless speed density conversion, this kit offers quality and convenience backed by Subimods’ Subaru expertise. Shop now to enhance your engine management and boost your Subaru’s potential.