FREE 7.5 hp
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Wow, never realized people would be so negative to tested and posted results. The piece does have a purpose yes, to reduce intake noise; not a big deal. It will not void the warranty unless somehow a problem arises and Ford can say that piece directly caused the issue, then that component/system will be voided, not the whole truck. Amazing how some people can be so negative and snippy to others over such a small thing. It isn't like he is adding a CAI to an '04 5.4 without a tune and running lean.