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2004 to 2008 F-150 and Mark-LT 4.2L, 4.6L and 5.4L equipped F-150s and Mark-LTs. |
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#1
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I had an exhaust guy tell me once that our cats are fairly high flow already, so I don't know how much you would gain by replacing them, but if you are replacing the 2 with just one per side then you should see some improvement, but i cant imagine too much. but Im not expert, I just thought I would share what I have heard. and basically anything past the cats isnt going to be much different in tuning, the major difference would be dual with any type of cross pipe, and since you are doing that anyways, I think if you tell Bill that you are going to have exactly that, I cant see the brand making much of a difference. so its up to you
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#2
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Thanks ticopowell I sent in my info this morning so its just a matter of time now. I getting pretty excited.
Joe |
#3
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Glad I could help
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