Courtesy Jeep in San Juan Capistrano has done a pretty good job on my three Jeeps. They are always having a great deals on oil changes too. Cheaper then doing it yourself.
They have never questioned any of my mods nor said that it voided any warranty. But I am long out on my built Jeep no. But we did pick up a mall Crawl Grand from them at a great price. Wife loves it.
I will stick with my JKU

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