Perrin Equal Length Header - Subaru WRX/STi Size:1.625" This 6AN ORB inlet port

This 6AN ORB inlet port is NOT compatible with a 6AN hose end

These tuck right into the hose clamps on the air filters as pictured

We typically use this K060569 belt (56

ThreeBond Silicone RTV Gasket Maker is a one-component

You may have to confirm which size bearings you need by VIN

Perrin Equal Length Header - Subaru WRX/STi Size:1.625" This 6AN ORB inlet portVehicle Fitment: 2002 2014 Subaru WRX 2004 2018 Subaru STi Description: Create a smooth sounding exhaust note while increasing horsepower and torque with the PERRIN E4 Series Big Tube Equal Length Header. The new PERRIN E4 Series Big Tube Equal Length Header comes with collectors that have been designed for better exhaust flow while allowing the headers to be constructed much more accurately. The improved exhaust flow and more precise construction