Slimline 4 stroke muffler ?
Ooohhhh, sorry to hear about the Pitts. But, hey, like someone told me once, there are two types of airplanes... those that have crashed and those that will : )
Enjoy Frankfurt (the ZDZ engine factory is somewhere near the base, should look it up), I wish I were going for 3 months.
BTW: I'm a C-5 Loadmaster over in the 21st Airlift Squadron, in case you were wondering.