I have 3m and I've had it for a little over 3 years. No yellowness yet. My car is garage kept and I wax it using 3m wax once every week. Only con I can see is that it's expensive.
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///MPPSK ///M Performance FRONT SPLITTER ///M Performance KIDNEY GRILLS ///MPerformance CF MIRRORS ///MPerformance CF SPOILER ///AC SCHNITZER
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