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The Discoverer STT PRO is the most extreme all-season, off-road tire Cooper offers to date, providing remarkable off-road performance without sacrificing on-road traction. This tire will help you plow through all the mud, dirt, sand, gravel, and rocks you can find. Get the Discoverer STT Pro and get out there!
Wet Braking
Rated A for wet traction, an above-average grade. That means shorter, more predictable stops on wet asphalt.
Long Tread Life
A UTQG treadwear grade of 780 is well above average for wear resistance, so it lasts longer in daily use.
Truck & SUV Strength
Built to light-truck load range C standards, with a reinforced casing for hauling, towing and rough surfaces.


35x12.50R17
Cooper Discoverer STT PRO
All Season · Maximum Traction/Mud-Terrain
$418.99


37x12.50R17
Cooper Discoverer STT PRO
All Season · Maximum Traction/Mud-Terrain
$480.99


37x13.50R22
Cooper Discoverer STT PRO
All Season · Maximum Traction/Mud-Terrain
$629.99


38x13.50R20
Cooper Discoverer STT PRO
All Season · Maximum Traction/Mud-Terrain
$581.99
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