I have a new DLE55 that's going into an Aeroworks Ultimate. I have very limited experience with gas, but several years with glow. The stock muffler I was going to toss as the few I've seen do very little muffling. A bisson wraparound pitts would probably work OK but I'm really looking for the quietest way to effectively muffle the engine, even if it costs some bucks. The Bisson, JTec and Slimline mufflers I've used for glow were a little on the loud side and I expect the same for gas. Does anyone have any suggestions for where to go and what to get?