The Torque Solution PNP Speed Density Kit with aluminum bung fits 2002–2007 Subaru WRX/STI and 2005–2012 FXT/LGT models and is supplied as a plug-and-play speed density conversion component. The kit includes an aluminum bung and is intended to adapt these Subaru applications for a speed density setup while maintaining straightforward installation where a PNP solution is required.
Torque Solution 02-07 Subaru WRX / STI - 05-12 FXT / LGT PNP Speed Density Kit (Aluminum Bung)