Relax there ole timer, No issues, no sign of hoses getting to hot, you can grab the hose with your hgand after a long drive. Sometimes I put the plastic piece on, sometimes I don't. Yes I had to cut that plastic guard to make it fit.
Drove long trips, sat in traffic, Ontario emissions test passed with either engine installed, what more do you want. No fireball yet and it has been 3 years with this setup

It was a little raspy with the NA V6 but not any more.