Your Acura TSX's performance can be greatly improved through the use of aftermarket engine parts. This is because many engine parts on stock Acura TSXs are not designed with the maximum performance in mind. By upgrading your Acura TSX's engine parts, you'll notice a big difference in acceleration and engine sound.
Jump to the catalog for a given year Engine category.
The link bellow will take you to the same Engine but for a different car.