I would like to know about the OPs experience with the under drive pulleys and e-fans. I am looking at doing the same thing eventually and just so happen to have the same 2004 xlt 4.6.
Any information about them would be helpful to me. Thanks.
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2004 XLT SCAB / 4.6
Current: In bed lighting, K&N Drop-in, Gott's intake mod, Gryphon custom tuned 
Future: Exhaust (next), UDP, eFans
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