I'm sure I read a Morgan factory page that quoted +20bhp for side exhausts - which may well have had performance cats... but I can't find it right now...

Googling for the above did throw up:
- an old thread on tuning Aero 8s

- and a Californian company that supercharges BMW V8s: VF Engineering
Perhaps that's the one Peter was thinking of?

Will


Formerly Aero S5 #80
Currently 911 (992) Targa in python green