Originally Posted by
dasintex
The only problem I can see is that the Engine and Muffler Vibrate together and separate from the Firewall; I was told that you need to anchor the Muffler to the Engine or Engine Mounts, not to the firewall because of the difference and independant movement of the Engine and Firewall,
I guess that could be a problem in some cases, but it hasn't shown up in my plane yet. I have a DLE 55 in a P-40 with 50 flights so far.