Several years ago I bought mine from Toby Rivers at Lexus of Shreveport 1-888-226-6084. His prices were the same as Jerry and Troy.
The only thing is if your car is out of warranty, I don't think you can get the Lexus Platinum warranty.
07 LS460 SWB
08 Ferrari 612 Scaglietti
03 HD CVO Screaming Eagle Deuce