You gotta click here!
They tune the sound to exactly how you want, they pay £25 towards petrol, their exausts are stainless steel AND you can choose from 40 tailpipes!
Im going to go to them for my jag when i have the money. They gave me a quote of £275 for my 3.2 jag (cheaper than others i have looked at).
Shame they dont do '7' style cars.