This is a direct bolt in replacement of the IS300 or 2nd Gen GS and LS side markers. No modifications needed to anything.
Black Housing: Less Light emission, Pattern More Visible
White Housing: More Light emission, Pattern Less Visible
Price includes both sides. If you have your original side markers with intact hardware you can transfer those bolts into these side markers. You will need to reuse your original washers that hold the sidemarkers onto the bumper from behind.
IS300/2nd Gen GS/LS FlatLens Side Markers
All products are printed per order. May take up to 10 days or more before your product will be shipped.