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The Discoverer STT Pro is Cooper's maximum-traction mud-terrain tire for trucks and light commercial vehicles. It uses a chunky, staggered tread with stone ejectors and a three-ply sidewall to survive rocks, mud and gravel. It is a serious off-road tire that stays streetable, but it is loud and heavy on pavement. Against rivals like the BFGoodrich Mud-Terrain T/A KM3 and Toyo Open Country M/T, it trades some highway refinement for aggressive grip and a tougher sidewall.
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Availability unknownSold by utg-tires (99.4% positive, 105,300 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
Availability unknownSold by midwestaftermarket-com (99.8% positive, 61,200 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.
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Lowest price we've seen: $280.16 on Nov 9 at eBay. Tracked across 6 stores since Nov 9.
Owners like the off-road grip and tough sidewalls, and many report surviving sharp rocks and heavy loads. The common complaints are highway noise, fast wear and weaker wet-road manners.






