MK4 & MK4.5 Focus ST & ST-Line Rear Window Vents (Pair) WRXSTIV1 - MY15-17 Subaru WRX /

- MY15-17 Subaru WRX / WRX Premium / STI (Pre-Facelift)

or improve the aesthetic of your Cerato GT Sedan PFL

The adjustable option allows you to match the width to the wheels of your ZD8 STI

Once you order your rear diffuser

MK4 & MK4.5 Focus ST & ST-Line Rear Window Vents (Pair) WRXSTIV1 - MY15-17 Subaru WRX /Suits MK4 Focus ST & St Line Models INSTALL DOES NOT REQUIRE BUMPER REMOVAL Flow Designs window vents are tested for solid construction and are superior to basic plastic window vents on the market! PLEASE NOTE: Flow Designs window vents are compatible with any existing air defectors, snap shades and window visors. TWO rubber trims are included: x1 Performance Rubber Trim for track use and regular driving which are secure. x1 Display Rubber Trim for