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by eastof111
Thu Jul 07, 2011 4:21 pm
Forum: Predator Dodge Gas
Topic: u7137-9r12.crom and mileage booster
Replies: 3
Views: 2201

u7137-9r12.crom and mileage booster

Input please....

Does u7137-9r12.crom have mileage booster settings for 05 Grand Cherokee 5.7? Currently using 9r06 for the last 50k miles, wondering if I should upgrade or leave as is?

Thanks

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