JT2000

See that’s what I thought, but RCs level doesn’t need it and the shops have not had trouble. I asked RC why their kit was the only one and they stated it was in the design and install. I called RC direct is the only reason I know.

According to RC with the 2” you don’t need them. They said the AT4s are longer than normal and RC designed their kit to work with them. This is straight from RC. The local shop I’ve talked with said they’ve done plenty and have had no issues.

Yeah I’ve never bought after market shocks so I really wouldn’t know. My 15 Sierra ride was terrible and bounced a lot. My wife commented all the time how rough it was. This truck is no where near that is only reason I’m happy. What’s a good setup run for those shocks you have? I haven’t got the level yet due to not knowing what to do yet. Pretty sure I’m going the 2” RC. My rake was a little over 2 give or take. I definitely don’t want the front higher than the back lol.

See everyone says the shocks are junk, but my 2021 rides very well. At least way better than my 15 model. So I happy with the ride quality. Also 1.2” wouldn’t be enough lift for me. It’s at least 2” to level mine out. That’s why the 1.5 and 1.75 kits won’t work for me and they require UCA swaps unlike RC.

Man I’m the same way. I’ve read almost to much and it’s confusing. I’m pretty sure I’m going with the 2” RC leveling kit for the AT4. I talked with someone from RC and they designed their kit so you don’t have to change the UCAs. I talked to a local shop and they said the same thing and said they’ve had no problems.

I got my 2021 AT4 July the 8th and after looking on here you guys cost me a lot more money. I’ve tinted the windows, taillights, side part of headlights, fog lights and the blinker on the mirrors , plasti dipped the GMC logos and the AT part of the AT4, debadged sierra off back tailgate, bought the center storage kit off Amazon, put a flow master 40 serious on and cut off the flapper, it’s getting the ceramic coat as we speak, getting 305/55 R20 MTs put on Saturday, ordered Lund rock rails with rampage short steps (best looking nerf bars in my opinion). Wife’s not to happy on my spending lol. So once the heats off me I’ll buy and S & B cold air intake and an RC 2” level kit. I talked to RC today and they stated you do not need to change out the UCAs with their kit. Most others you do, but RC said they designed them this way.

Hey I looked into this and some say they still have a rake. Also the tire size is limited with it also. They have the 2” one or do you recommend another one?

Is this even if you change the UCAs?

Yeah I do like your exhaust and I want the black tips out the back. Mine is the 5.3 though so I’ll make sure that number fits mine. I’ll probably do a CAI just not sure which one. Also I like your sidesteps. How are you liking them? I really like the sidesteps that come on the 2021 GMC Sierra AT4, but didn’t realize before I got mine.

So this exhaust is the GM one? It sounds good. Looking at Borla lately and thought the touring one might be to quiet. So I was leaning towards the s-type. Hearing this though I might change my mind lol. Also why that CAI? I am wanting to buy one and have researched a lot, but I’m almost overwhelmed by all the options lol.

I think I like the Borla S-type over Corsa. What brand CAI do you recommend?

Yeah I think I want the borla s-type and unsure on the brand for the CAI.

Nice. What part of Arkansas?

So buy the rough country leveling kit and buy some UCAs for my 2021 AT4?

If I am just wanting to level out my AT4 is the level kit by rough country alright? I don't want to make the ride worse.

Yeah I have a GMC Sierra AT4. I don’t have to do anything, but wouldn’t mind getting rid of the rake.

Good looking truck. I just picked up my AT4 yesterday. I’m not even sure what mods I need to start doing lol.

This may be a dumb question, but I just bought a new 2021 AT4. I know on my regular 2015 Sierra I just leveled it. With the AT4 I know it’s already lifted, but had the rake still. So my question is if I just want to level it out what do I need to do, to do it the right way?