Check this out,
aston martin will charge £7,500 plus local taxes for the sva option on an n24

Linky

There is a fair bit they have to do though, even having said that, £7.5k is a fair bit for some lights and a more SVA friendly exhuast and remap.

Do you think they will go through first time?

You can buy a hell of a lot of rubber tubing and duck tape for 7.5k!

Pete

If you can afford the £92,500 to buy one in the first place, you aint gonna be overly concerned about an extra £7,500

Phil