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I have a 2003 F350 7.3L with stock 3.73 gears running 315/75/16 tires. I want more power while I am pulling my 35 foot 5th wheel. Should I change my gears to 4.10 or install a tuner? If so what tuner should I get?
 

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You can do both for the most benefit. Most guys just do custom tunes because they can adjust for your specifications.

We have a variety of options available as far as tuning goes. You can check it all out HERE.

Let me know if you have any questions about our products. I would be happy to help you out.
 
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