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So what's the best solution for a 2015 Sierra SLE for HID's?

Blistein 5100's at max height with stock 17's wrapped in Falken WildPeak AT3W LT285/70R17 (33x11.6) with only a VERY VERY slight rub on the well liner at full lock.

Blisteins at top height, stock 17's with Falken WildPeak AT3W LT285/70R17 (33x11.6).

I'm going to be putting on a set of 20x9 +1 with 305/55 's. For the level, I see everyone suggests sticking with a 2" as 2.5" causes some extreme angles. Is there any real difference between the Round spacers that go on top and the U shapped ones that go on bottom besides location and shape?

Damn I really do like your setup. Might have to steal all your measurements for myself haha. Damn I really do like your setup. Might have to steal all your measurements for myself haha.

That's a good point. I'll probably go with a 2" as well then. I have a camper I pull during the summer. What offset are your wheels and do they stick out much?

Probably because they listed it under the suspension lift section instead of the level lift section.

I just happened to see this and already have the page open. http://www.roughcountry.com/gm-leveling-lift-kit-1305-10.html

Yeah, I have zero traffic on my way to work. 2 lane road through small town midwest lol. Now I just need to figure out if I need a 2 or 2.5" lift.

Sounds acceptable to me. I'm between 22-23 mpg on my way to work now cruised at 60 for about 33 miles. This fall i'll be going down to about 24 miles cruising at 70. Shouldn't see any real increase in overall fuel usage monthly. Works for me. Thanks for the help, very informative!

Yeah they are heavier. Looks to be about 13 lbs heavier and 1/2" wider or so. Most of my driving is more highway. I'd think to get around 18-19 or so doing 65-70 right?

At what speed? The Falken Wildpeak AT3/W are not quite as aggressive as the ridge grapplers so i'd think that'd help me.

On the highway? That's disappointing. I usually get 22ish(60mph) mpg on my stock bridgestones headed to work. This fall our company is moving, so ill be going about 70 then and now at 70 i'll usually sit around 19-20, so losing 1-2 isn't too bad. What tires did you move to? These falken's are almost 2" wider than my 265/70/17 i currently run.

Love this. I'm looking to do a 20x9 +1 with the same tires. I may get bashed for this, but how did this affect your gas mileage? I drive a fair distance to work each day so this really is a factor for me.

I'll have to check out which ones i've got. I have the 17" wheels so I think my offset is actually only +24 offset. So i'd gain nearly next to nothing. The other offset option for these wheels is +1, or -12. So the 305 tires would be about 1.6" wider than I have right now. So if I go with +1, i'd get .9" saving from there. So effectively my tires would reach in an additional .7" or so. Think that would work? I just don't want a silly amount of tire sticking out from the well. A small amount is fine.

I think i've changed my mind on my plans. Ill probably go for a 20x9 +20 with 305/55's on a 2" level. How well would that work out? What can I expect in terms of rub and other issues?

Okay, then it if my math is somewhat correct a +20 offset should bring me about 1/4" of an inch inside the wheel well then with 275's. Would that require much trimming? I am trying to avoid doing any of that.

Trying to figure out my next setup but am a little confused with what offset to choose. I've got a 2015 Double Cab 4x4 and will be putting a 2" MotoFab level on it with Fuel Assault 18x9 wrapped in 275/75 Falken Wildpeak AT3W's. Should I go with a -12, +1 or +20? I would like the tires to come out to pretty near even with the Wheel wells. I'm thinking a +1 would be the right choice?

Anyone done the MotoFab 3" front and 2" rear leveling lift kit? https://www.amazon.com/dp/B0156T83UI/ref=wl_it_dp_o_pC_nS_ttl?_encoding=UTF8&colid=3E9A220X5ZBKU&coliid=I18D34G3PH9V2 Any reason to not use this for a little extra height over the 2.5" sets? Is that .5" cause too much angling of joints and is why most use 2.5"?

Would that comfortably fit the wheel setup I mentioned earlier? I can't seem to grasp this whole offset stuff.

Rolling over 40k on my stock tires now. So i'm doing my research for my new setup once they are shot. I plan on getting Fuel Assault D546 20x9 or 20x10. The 20x9 is available in a +1 or +20 offset, the 20x10 is a -18 offset. I want to wrap these in a 275/60 Bfgoodrich T/a KO2. Any suggestions on which wheel would be better? I wouldn't mine 1/4 - 1/2 inch sticking out of the wheel well if that's viable. As for the lift, I was looking at the MotoFab kits, would a 2.5 front and 2" rear fit the wheel setup and maintain a slight rake? Or would I be better off with the 3" front and 2" rear? Thanks for the help gents, i'm new to this, my first real truck. I've got a 2015 Sierra SLE double Cab 4x4 if that helps.