Don't know exactly how much, but I did quite a bit of work on the 45 over the summer, making custom shock towers to accomodate some Bilsteins with 13" of travel. So far this is as much as I've got documented flex for:
https://forum.ih8mud.com/showpost.php?p=2732178&postcount=244
Need to find me an RTI ramp.;p
https://forum.ih8mud.com/showpost.php?p=2732178&postcount=244
Need to find me an RTI ramp.;p

