Rally Armor Basic Mud Flaps WRX / STI (2002-2007) Mazda Many use the same standard

Many use the same standard M12 x 1

Perrin uses an OEM type of triangular BOV flange for a stock-style WRX & STI blow off valve and is positioned to reuse the stock recirculation tube

but is a great bang for the buck as well

and necessary hoses for easy install on your Subaru WRX/STI

FITMENT (N55 turbo models):

Rally Armor Basic Mud Flaps WRX / STI (2002-2007) Mazda Many use the same standardFor practical protection against common road debris, stones, mud and grime, Rally Armors Basic mud flaps are affordable alternatives for Subaru Impreza WRX and STI owners interested in a flap that will protect and deflect using direct application hardware. These cost efficient thinner gauged black polyblend mud flaps are treated to resist color fade and are finished with the Rally Armor logo in black. Ideal for temperate conditions and environs (see