The Torque Solution PNP Speed Density Kit with stainless bung fits 2008–2014 Subaru WRX and 2008–2021 STI models, offering a plug-and-play speed density conversion option that uses a stainless bung. Provided for supported Subaru platforms, the kit is intended to simplify the transition to speed density while maintaining original connection points and PNP compatibility.
Torque Solution 08-14 Subaru WRX / 08-21 STI PNP Speed Density Kit (Stainless Bung)