Why do you think that you'll be voiding the warranty? You need to read U.S. Title 15 Chapter 50. There are a lot of mods that in no way void any types of warranties. If someone wants copies of this material, e-mail me.
'99 Contour SE V6 w/MTX (Black Clearcoat) '02 Dakota 4.7L V8 2WD X-Cab (Flame Red Clearcoat)