Perrin Recirculating BOV WRX (2015-2018) Ford 2002-2007 WRX

2002-2007 WRX

Mishimoto Performance Air Intake and a custom dyno tune

This 24mm adjustable sway bar from Whiteline for the Subaru WRX / STI allows trimming of oversteer/understeer through varying the sway bars ability to resist weight transfer via increasing or decreasing the effective arm length of the sway bars mounting position

What are sway bar links

In true GrimmSpeed fashion

Perrin Recirculating BOV WRX (2015-2018) Ford 2002-2007 WRXAdd horsepower, quicker response, and reliability with the Perrin BOV for your 2015+ WRX. A must have replacement for the leaky, slow responding, and 2015+ Subaru WRX plastic OEM blow off valve. During testing, it was determined that until approximately 3 psi of boost is reached, the OEM blow off valve does not seal. This leads to a loss in horsepower and slower response from your turbo. The PERRIN Blow Off Valve solves this problem with a proper seal