Has anyone tested the Webra fuel pressure regulator? It uses a slightly different approach by pressurizing the fuel tank via the case then regulates that supply by muffler pressure to match engine speed. Sounds good and doesn't mention a need for a special carb.

[link=http://www.webra-austria.at/motor.php?folder=ACCESSORIES&lang=EN]http://www.webra-austria.at/motor.php?folder=ACCESSORIES&lang=EN[/link]