I have a '98 Contour SVT EO, and I was wondering what the best mods were that have been proven to be effective. All I have is a drop in K&N. It sounds like many folks have removed the resonator. Does this improve performance or just make it louder? What about a Catback system, plugs, wires....?
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'98 Contour SVT, Black
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'98 Contour SVT, Black