PERRIN 2.4in Turbo Inlet Hose (Black) - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT Subaru-Outback-2007 high-density foam

high-density foam

From there

Street use and light track use

Featured In Subispeed's New Products December

PERRIN 2.4in Turbo Inlet Hose (Black) - 2002-2014 Subaru WRX / 2004-2021 STI / 2004-2013 Forester XT / 2005-2009 Legacy GT / Outback XT Subaru-Outback-2007 high-density foamPERRIN 2. 4in Turbo Inlet Hose Black Smoother Air Flow To Turbo The PERRIN inlet hose is perfectly smooth on the inside and has a significantly larger internal diameter than the OEM part. The increased air flow by removing the pleats found in the OEM hose makes more horsepower, decreases turbo spool time, and improves acceleration. SS Internal Support Wire The PERRIN inlet hose is reinforced with a stainless steel support wire that is embedded within