Perrin Equal Length Header - Subaru WRX/STi Size:1.625" We typically use this K060569

We typically use this K060569 belt (56

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

ThreeBond Silicone RTV Gasket Maker is a one-component

(1) M18 Drain Plug Gasket for Oil Tank (90012310630)

The ETS Evo 8/9 short route upper intercooler piping kit is designed to eliminate many of the unnecessary bends in the stock piping

Perrin Equal Length Header - Subaru WRX/STi Size:1.625" We typically use this K060569Vehicle 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