2013 Avalanche... what's the largest size tire I can use?

[bellebelle]

I have a stock 2013 Avalanche with 275-55-20 tires. Will a larger tire work without any cutting?

 

[rc4u]

I don't think so.. if you install the adjustable 5100 bilsteins and the cognito uca and maybe a 1" back shock spacer you could go up two sizes..