Originally Posted by PencilGeek
Since part of the exhaust must be removed to install the SSK, I had the exhaust and SSK replaced at the same time. Cost for both: $300.
You got special treatment
There is still a balance for the digital scale you left at the shop
For E9X M3 - SSK alone is $200, Exhaust is $150 (exhaust with proper fitment / no cutting)