</font><blockquote><font size="1" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">quote:</font><hr /><font size="2" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">Originally posted by benc:
<strong>Thanks suprarunner for the reply. When you say "mod for smaller inlet and outlet on ic" what is entailed?? And what's a fair price on e-bay for an ic??
Thanks, Ben</strong></font><hr /></blockquote><font size="2" face="Verdana, Tahoma, Arial, Helv, Helvetica, Sans">The ID on the ford powerstroke is 3". So the OD is huge, and they use a casting which makes it even lager, like 3 1/4+ OD. I just put on some 3" alum pipe that had a OD of slightly over 3"

It is better to make torque at high rpm than at low rpm, because you can take advtage of gearing.
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1994 4runner - SAS, 38 TSL's, Turbo 7MGTE swap, Turbo Tranny
Dual T-case, D44/D60 ront/rear