you can disable the egr without block off plates. i looped the vacuum lines back to them selves and used a jumper wire on the harness side to connect both wires going to the egr sensor. the truck is getting older to the point that you may be able to put historic or collector tags and that...
pair valve was there to add air into the exhaust to help warm the cat up, i deleted mine as well theres no problem with deleting it.
if you drop the trans out you can change out the rear heat lines, their a huge pain to replace
if you dont have any emissions nspection removing the egr is a...