Hi, have just posted pics of my muffler in my gallery, was very easy to make, a bit of machining on the mill, some fabrication and some aluminium welding, don't know sound level as I have not run engine yet, noise not a problem at our lake sites. Have also checked for flex of the pod and there is quite a bit at about the throttle servo area which could cause the prop to hit the fuz top, may have to cut the 13in prop down a bit