Recent content by fatboy
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cat question
Thats what i figuered. Would there be a difference in performance if I were to keep all the cats and just straight pipe it?- fatboy
- Post #4
- Forum: 1st Gen Ford Expedition Engine & Performance
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cat question
On my 98 xlt I was planning on straight piping it. but after cruising the site i came up with another question. should i take of my rear 2 cats. Would that open the exauhst too much for a stock motor. I dont plan on doing any thing more than that other than the gotts mod and removing the...- fatboy
- Thread
- Replies: 3
- Forum: 1st Gen Ford Expedition Engine & Performance
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Tinkering with the expo
Hello folks, I'm new to the site and have a few questions about some mods to my expo. Its a 1998 xlt with a 4.6. I've read on this site about the gotts mod, which I'm gonna do, my question with that is would it defeat the purpose to still run a stock filter or would i have to get a better...- fatboy
- Thread
- Replies: 2
- Forum: New Member Check-In
