muffleri am using Zimmermann. very good sound, powerfull
Alex (Formerly Known as Futurac )
08-13-2002 Over year old.
Mavpro Heliman Location: Bodø, Norway
Changed to Hatori 989Noise reduction is good. Engine runs cooler and smoother. I had to make a hole in the canopy left side due to the larger diameter. So far, I think this is a very good choise for the YS 80.