Things move very quickly once it goes into production. Your build date is a result of when your dealer had an allocation. A different dealer might have had an earlier build allocation. Once built, it will ship out quickly, although obviously it will take longer to get to you because you're in So. Cal. Mine was at the dealer in just a little over a week from when the build began...it surprised me by being done and delivered so fast.

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2017 Nissan GTR Red/black - Tune/midpipe
2013 BMW X5 50i M-sport Alpine white/black - Dinan stage 1
2016 Jaguar F-Type R Gray/red