Set Your 2004 Subaru WRX STI Catalog
A down arrow

Engine Parts for 2004 Subaru WRX STI


Your Subaru WRX STI's performance can be greatly improved through the use of aftermarket engine parts. This is because many engine parts on stock Subaru WRX STIs are not designed with the maximum performance in mind. By upgrading your Subaru WRX STI's engine parts, you'll notice a big difference in acceleration and engine sound.





  Don't have a 2004 Subaru WRX STI?

Our Customers Love Us - See our Reviews
...Loading Reviews