Erod_66

I have the Stage 2 Icon Dynamics Coil over kit. This setup almost leveled the truck out, it added an additional 1.5" lift in the front. I have a very subtle rub at full lock on the driver side after following part of a couple of mods. That rub can be easily fixed with some liner trimming, but I just haven't made the time to do it. I removed the mudflap bracket as shown in this video: I followed most of this mod as well, but I was able to leave the entire bottom part of the mudflap for a stock look. https://wheelsasap.com/gmc-at4-oversized-tire-trimming-guide/

Added 4Play 4P70 wheels and wrapped them with Nittos Recon Grapplers 35x11.5s.

@Rome S digging the wheels

Finally had the chance to install the @Roto-fabCAI and ADD W1 Catch Can. Engine bay looks cleaner and the sound when I step on it (which has been very often as of recent) is very impressive! My AT4 had the performance exhaust from factory, so this completes the system and really improves the feel from the 6.2.

So far I love it. It made the ride firm, but in a really good way and I feel grounded. I no longer have the 5 hour bounce after going over a bump on the road (slightly exaggerating the amount of time), less roll on turns/curves, and there is much more control of the truck. As far as Lift, I was sitting at 38" from floor to the bottom of the plastic fender stock up front and 40.25 in the rear. I am now sitting at 38 7/8" in the front and 40.5" in the rear. I did not make any adjustments to the coil overs as I was told by ICON that they come set for their maximum recommended height (2" to 2.5"of lift on a stock 1500 Sierra non-AT4) from factory. I also measured from the floor up to the bottom of the plastic fender because I didn't change the tires. If I recall correctly, it is recommended to measure from the center of the hub up to an "x" point if you are making additional changes. This is my first suspension mod, so I could also be wrong lol. I looked at the Fox kit, but most of the info I found online stated that Fox users would eventually switch over to ICON. I debated between the ICON and the Fabtech kit, but I wasn't able to get enough info/reviews on the Fabtech's. Granted there is limited info of the ICON & GMC combo, but I liked the adjustability. I found a really good deal online that saved me a few hundred bucks, so I placed the order. The Kings looked good, but I couldn't justify the additional costs for my intended use.

Upgraded to the ICON Stage2 Kit, removed the lip on the lower deflector, and gave her a wash. Next on the list are new rubbers and hub centric spacers. Warning multiple pics on the way...

Thanks for the info. I was looking at Icon's stage 2 which includes the UCA's and plan on setting them at 2 or 2.5. The Fox kit from Cognito also came with the UCA's, but those Fox 2.0's Coilovers appear to get replaced with Icon's by a number of folks as they complain about rust and too firm of a feel. Which is why I've gone back and forth. I looked at Fabtech's Dirtlogic kit, but haven't read or seen much info on them. Any special tools required for the install? Torque wrench?

How's the ride quality with he ICON coilers? I am looking at ordering their kit, but can't seem to find much info on the GM/Chevy installs. I found a video of a guy putting them on his ram, road bumps and trains tracks appeared to be absorbed by coilers. I don't do much off roading with my AT4, so the I won't be getting the reservoirs.

@J2Jones and @popedecoys Just curious, would a centric spacer help bring the wheel out just enough to keep it from rubbing? or would it make it worse? I've found that although many manufacturers label their tire a specific size, they are not always true to size. Great looking trucks by the way!! I keep going back and forth on what to do next to mine. The tires (Ridge Grapplers 35x11.5x20 would make a big difference IMO and the CAI may help her respond better.

That looks sharp!! I’m contemplating in purchasing one of their polishers and ceramic coating mine again. Did you do any polishing?

You don’t have the part number by any chance do you? I’ve had some horrible luck with dealers around me.

Where did you find this emblem and how difficult was it to install? Looks good!

@jflan23 that looks like some solid work you did there, congrats! Any advise on wrapping the bezels? It has a number corners and I’d imagine that I would have quite a bit of issues.

Do you know the difference between getting the dry filter vs the oiled one? The one I see on amazon is for the oiled filter.

About to place my order. Any notable sound difference? Did you order the programmer? If so, what type of results have you seen or felt? My AT4 came with the performance exhaust, but not the intake so I’m trying to complete the system.

Thats some positive feedback. I don't like noise, but I do appreciate some good sound. AFE Power sells a programmer, Scorcher Pro, that may improve the results of the aftermarket CAI even more.

How’s it sound? Did it come with a way to flash it to the truck or did you buy a tuner separately? Looks pretty cool. Debating between this and the afe CAÍ.

That’s true. I did notice that during the install video. Why don’t they make the “perfect” product? Lol

I installed mine this evening, but I won’t know if it works until tomorrow. I don’t think you are color blind because my wires were not the same color as theirs for sure. I had a green/white as my pin 10 cable and the cable in pin 18 appears to be light purple. I did turn on the fog lamps and flashed the high beams, but the fog lamps turned off. I’ll get a real test tomorrow.

Thanks for the feedback. I had the same feeling regarding the cover leaning on the cab while driving. I guess I'll go with the MX4 since I depend on that camera sometimes.

Looks really good! When it’s folded up towards the cab, Is the camera in the brake light (at the top of the cab) blocked or can you still view behind you in the rear view mirror? I have the AT4 with the camera and have been debating between this and the BakFlip Mx4.

I think you will be fine. There are a few posts of people saying that they don't rub. I was told that the Ridge Grappler 35x11.5 will work too, may or may not need the 1.5” MotoFab level.

If I recall correctly, the AMP ones need to be upgraded in order to get the LEDs and you have to plug them into the OBD II port. When I first looked at the AMP in the spring they were actually priced higher than the RBP with the similar options. I plan on installing a AFE intake and their tuner so I wanted to keep the OBD II port available by not going with the AMP boards. A friend had the AMP's on his F250, he didn't;t like them and was planning on swapping them.