Change Differential Ratio?

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flynaxos

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I have a 2003 Yukon XL 2500 4WD. I am interested in chnging my differentials from 3.73 to 4.10 to increase my towing capacity.

Has anyone done this? Any idea what the cost would be?

Thanks!
 

blueflamed03

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to go from a 3.73 to a 4.10, you wont see 'huge' gains. Stock size tires I assume? For gears, and install, you could be looking $650-$1200...have you had the computer tuned yet? thats far less expensive, yet get's you HUGE results.
 

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