Header ?
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headers
Some guys swear by them, some don't. I personally don't think they are worth the gains vrs. cost on the newer engines. Now if you want to spend a little money, do a port/polish on the heads, stainlees vales, cam, then get the headers. Money is better spent on good intake, exhaust and a chip. But if you really want them, then go for it. Anyway my .02
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