I'm assembling their Giles 202 right now and had to modify my muffler for the GMS 47 I'm using. The stock longer pipe just doesn't clear the bottom of the fuselage, so I traded for a Magnum 46 muffler. Fits just right.

The covering is wonderful with only the control surfaces needing a little ironing. The cowl and wheel pants are fiberglass and color match the trim wonderfully. I don't care for Phoenix's metallic motor mount, but didn't want to mess with replacing it and didn't have problems with the Sonic 25 Low Wing, which had the same type. Numerous folks state that the plane's somewhat heavy, but it feels pretty light to me. I can't give you a flight report because I just picked up the muffler yesterday and will start assembly sometime this week. Judging from the wing taper and size, the loading's going to be right on the ragged edge and this thing's gonna haul you-know-what.

The Sonic 25 was a nice plane, but I can't stand the sticky-back covering called PVC film. Just my opinion, it's not because I had problems with it. Here's the "Rate it" write up I did on the Sonic 25 Low Wing:

[link=http://www.rcuniverse.com/product_guide/kitratings.cfm?kit_id=2745]Go to the very bottom for mine[/link]