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716 Posts
Discussion Starter · #1 ·
I need some help or opinions/suggestions. I have a 2013 JKUS with the small 225/75/16 steel wheels and tires. I am going to install Rubi takes offs with the 255/75/17 tires. How bad is my speedo going to be off? Will this small increment in tire size change cause me to have to re-flash my computer for the shift points? If so, what do I need to buy or do?

The JKU has limited slip and 3:73 gears.

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