LT Sport Custom Fit 06-11 Chevy Impala Side Window Visor Rain Guard Deflector Fit 06 07 08 09 10 11 Chevrolet Impala Packing Included: 4pcs Acrylic Visor Made of High Quality Reinforced Acrylic in Dark-Smoke-Tinted Color Water Resistant Materials. Suitable for All Weathers. Simple and Easy Installation. No Modification, Cutting, or Drilling Required (Professional Install is always Recommended). Professional Install is always requested: Caution: This is not in-channel style item, please read installation instruction for the detail.