14.5 in the 1/4?
Time for a blower.
In all honesty, you will probably see very little gain (if any) from those bolt-on parts listed.
You MAY need custom tunes for the headers, but as I tell most people: Try it and see what happens. If you can save money by not having to spend the money on custom tunes, by all means, go for it.
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Tuning, PCM flashing, and burning chips for 7.3s since 2008. Repairing all aspects of 7.3L Powerstrokes for 25 years.
Eight 7.3L PSDs in the driveway including a 1994 Crown Vic and 1973 F100/2002 F350. Looking for the next victim.
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