ACDelco 25973870 GM Original Equipment Purple Rear Automatic Transmission Mount

so we have a fun one for you today last year i put hot shot secrets friction reducer into my rear differential of my 2001 lb7 duramax long bed group crew cab dually and uh just wanted to see what it what it did if it did anything at all and um the reason why i wanted to try it out in the first place is because i took a tour on uh this island i'm on prince wales island see it's kind of a mountainous region where i'm at right now on the island mountains aren't too bad but there's a lot of huge inclines to get up to even where i'm at right now and you know when you're traveling hours on end and you're traveling really slow up these huge grades with a camper on the back of your truck and that rear diff gets super super freaking hot and um i even pulled over a couple of times to make sure that that stayed nice and cool and i changed my fluid and i didn't seem to help too much so i put some f