Perrin Brass Shifter Bushing WRX (2015-2018) Volkswagen so the IWG-75 is a

so the IWG-75 is a must for the WRX enthusiast looking for more power

If an intake isn't designed properly

The advantages of a 3-port boost control system vs

The system itself is available from the factory catalyst back and is based around a 2

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Perrin Brass Shifter Bushing WRX (2015-2018) Volkswagen so the IWG-75 is aPerrin's brass shifter bushing for the 2015+ WRX cable actuated shifter replaces one of the two stock rubber shifter bushing. The Perrin shifter bushing does not change the geometry of the shifting mechanism, so you won't get a shorter throw. The PERRIN bushing reduces the sloppy feeling during quick gear changes, giving the driver a more precise feel when shifting, especially that crucial 2nd 3rd shift. Installation is done from under the car and