Owned a class C for five years that had stainless steel braided extensions on both rear tires on each side. Never a leak. In fact the tires never lost presdure over 6 months or more, and I checked them quite frequently. Our new class A has braided extensions on the inner rear tires, and no leaks after several months. Sure, I know solid extensions are better, but not willing to spend several hundred dollars when I've had no problems all these years.
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2016 Itasca Navion 24J (2015 Mercedes 3500 chassis)
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