Perrin designed this inlet pipe for the 2002-2007 Subaru WRX & 2004-2021 STI with larger Turbos that have a 3in inlet .
This Inlet does not come with any provisions for a 2.4 (Stock Style) Inlet. This will only fit Turbos with larger 3in inlet on after market turbo.
Fits 2002-2007 WRX and 2004-2021 STI (aluminum intake manifold cars)