Before ordering an exterior accessory like this, a short checklist helps avoid a mismatched purchase. Confirm the vehicle is a Virtus or Slavia, match the rear quarter glass shape to listing photos, and check that the gloss black finish suits the intended look. VW Virtus and Skoda Slavia Window Louvers are vehicle-specific, so Virtus window louvers and Slavia window louvers shouldn\'t be treated as universal-fit parts. Har variant ka mounting area thoda different ho sakta hai even on a shared platform. Virtus louvers and Slavia louvers come as a self-adhesive set of two, needing no drilling per the product information.