1st time Duramax owner

[2021 x31 Mo]

I just bought a 21 Gmc x31 Duramax 2 days ago. I done some research before pulling the trigger but looking for a good forum to get and share advice from. I'm loving the power and mileage out of this thing so far.

 

[gemarsh]

Pictures or it didn't happen.

Lot of info here already and welcome.

 

[2021 x31 Mo]

Pictures or it didn't happen.

Lot of info here already and welcome.

It says my attachment is to big. I tried!!!!!

 

[BoostN]

Welcome to the forum!

 

[CompuDragon]

welcome aboard

 

[gemarsh]

It says my attachment is to big. I tried!!!!!

That's what she said.