Tire size and cold air intake

xahtep9563

New member
Hello everyone,

I recently purchased a 2019 GMC Sierra 1500 SLE (new body) and
I'll be adding some mods and I'm looking for recommendations.
First, I'm getting a set of 18x9 rims with -12 offset and a 3" lift kit.
What tire size would be recommended given that info? I was planning to go with 275/70/18 but I afraid that they'll be too skinny..

Second, what do you think of the K&N 77-3110 kp cold air intake system?
Worth the money?
 
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