Swamps does some kind of frequency modification to the IDM that Beans doesnt. I asked what the gains were in the difference of the two and the guy at swamps said that theirs is supposed to flow more than a stock IDM. I was under the impression that was what the resistor was for.(that and to make the pulse width shorter)
If I were going to pay to have it done. I would go to Beans. It is about $125 cheaper there and I have heard you can tell no difference in the two IDMs.
2003 PSD 7.3 L, STRAIGHT PIPE, BD POWER DIGITAL X-MONIOR, TS 6 POS CHIP, BHAF, IDM MOD, 10K MOD, SOME CHROME.
'75 F-100 Custom. Restoration/Project Build
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