Your Lexus IS 300's performance can be greatly improved through the use of aftermarket engine parts. This is because many engine parts on stock Lexus IS 300s are not designed with the maximum performance in mind. By upgrading your Lexus IS 300's engine parts, you'll notice a big difference in acceleration and engine sound.
Jump to the catalog for a given year Engine category.
Jump to the catalog for a given generation of Engine category.
