$1300 for labor only? Good lord man find somewhere else.
It should be 2 or 3 hours of billed shop labor max + alignment cost (whatever that is). My last bill was $3100, that included a $250 alignment, $2000 for the unplugged camber arms (overnighted), the install of the unplugged toe arms, then troubleshooting the n2itive arms (that another shop damaged), removing the n2itive arms, installing the UP arms, shifting the front subframe to dial in the alignment better, then a second alignment adjustment after a test drive to tweak the settings more + taxes (included in the $3100).
So I got all of that labor done for less than what that shop wants to charge you for installing toe and camber arms? Sounds like they're thinking since you have an expensive car, you'll pay triple for service for no reason.