Dunlop Sport Maxx RT RunOnFlat Sizes & review

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Max Performance Summer run-flat tires provide temporary self-supporting run-flat mobility for a distance of 50 miles at up to 50 mph, even after a puncture has allowed complete air pressure loss. They are designed for serious driving enthusiasts who want a combination of a performance appearance, competent handling and Z-speed rated (or higher) durability with enhanced dry and wet traction. Often used as Original Equipment (O.E.) on powerful sports cars, performance coupes and high performance sedans, Max Performance Summer run-flat tires are not intended to be driven in near-freezing temperatures, through snow or on ice.

O.E. Max Performance Summer run-flat tires are typically purchased as direct replacements for worn-out pairs/sets of the vehicle’s original tires. They can also be used for other vehicle applications in complete sets of four or axle pairs if available in an appropriate size, load range and speed rating to match the existing O.E. run-flat tires’ performance category and specifications.

NOTE: Run-flat tires are only recommended for vehicles that are originally equipped with self-supporting run-flat tires and equipped with a tire pressure monitoring system.


  1. I had these installed on my ’06 Mini Cooper S JCW GP. As runflats go, these have simply blown me away relative to the original Dunlop set from when I acquired the car and the Bridgestone Potenza replacements I had installed subsequently. I’m not sure if it’s the improved technology or what, but the ride is MUCH improved. So much so that I thought for a while I had screwed up and not ordered runflats. Upon double checking, these indeed are runflats. It’s simple, the car feels transformed and like new. No more crazy runflat noise and annoying thumping. The ride is smooth and the deadening is night and day from before. Although expensive, thus far I’m very impressed and very happy with this purchase. Even my wife has noticed the change. Great job Dunlop!


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