Agreed. The 265’s with those wheels are solid. The offset makes them pop out much more than stock and give that beefier look.

For comparison purposes. Attached are pictures of my Pro when new with 265’s, then 275’s without a lift, and currently with 275’s and Cornfed 1.5/1” spacers. The Pro sits 3/4-1” higher up front than the other 4Runner models and the front fenders are trimmed at the port on the Pros. No rubbing or mods to accommodate the 275’s even without the suspension mod. I would think that a 3/4-1” spacer up front with a possible fender trim would accept 275’s properly on OR’s and SR5’s without removing the mud flaps.

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Can anyone offer advice on tire pressure for my new BFGoodrich All-Terrain T/A K02s on my 2013 SR5?

I went with the LT265/70R17 load C.

How low and high do you go for various conditions?

If you air down what do you use to pump tires back up?

I’m new here and would appreciate any feedback including links.

Thank you.

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It depends what load you carry. I have the same tires as you and usually run them at around 38 PSI front and back. I've seen folks run them at around 40 PSI as well to get better mileage. I just moved from Texas to the Chicago area and did the trip at around 42 PSI towing a trailer. I've since aired them back down to around 36-38 which is the sweet spot for a comfortable ride for my truck (my suspension was done to carry more weight than I currently carry).

I use the ARB deflator and ARB inflation kit, an ARB air compressor (model # in my signature) and a small tire gauge to check tire pressures. Depending upon your use case you could get something cheaper and portable or something better and mounted (like having a compressor and a tank etc). I have done a couple of trails in California and Texas in the short bit of time since I've had this rig and the lowest I needed to go on them was around 18 PSI. You should be able to go down to the low teens or perhaps even lower if you are driving on some soft sand etc.

Went with 275 KO2's, stock 2017 SR5 everything.

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I've had a set since March and the only complaints I have is they look kinda retarded and 285s are load range E. Holy hell.

For 5 years I had 275 load E on 2015 4runner, on my new 2020 I put 265 C.

275/70/17 BFG KO2s

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Any rub?

I put 275 KO2s on mine at the dealer. No rubbing but it is very close. You can't go any bigger. My next tires will not be these. I don't run hard enough or heavy enough to get any benefit of E load tires. My next set will be 255/75r17 load range C.