TylerAt4

Mine will be here on Monday, can’t wait to turn off the DFM. I hope it’s not too buggy

My 2020 AT4 has them on all 4 doors

I’m interested in this as well. My new at4 looks to have a pretty good rake to it.

I have a 20 AT4 6.2L that I just did the Borla type S on and I love it. Very aggressive cold start but mellows out nicely when the truck warms up. I was really worried about the drone on the highway coming from a straight piped Duramax. But at highway cruising speeds you can’t tell it’s not the factory exhaust so I am very happy with that. When you hammer on it it wakes up and sounds like a drag car so it’s really the best of both worlds in my opinion. The one thing I don’t like about it is cruising around say 50mph or less it sounds like crap when the DFM kicks in, not a fan of that but I’m sure all after market exhaust are going to have that problem.