Originally Posted by PA/XFIRE
F.Y.I. Asked Rob yesterday if i could install the isolation kit with the existing let H/E i'm now running, he said no problem. I can't tell you if the isolation kit will work with the oem H/E, maybe some one on the forum can answer that.
good luck with your cooling mods. ILLCYA

I have the OEM H/E and installed Robs isolation kit 2 weeks ago. No problems.