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wdrzal · 01-31-11, 08:14 PM

The exhaust shape plus the venturi design looks exactly like many of the "hush kits" developed for older jet aircraft so they could meet stage 3 & stage 4 noise levels.

01-31-11, 08:14 PM	#25
wdrzal Lurking Renovator Join Date: Jan 2011 Location: Pa. Posts: 12 Thanks: 0 Thanked 2 Times in 1 Post	The exhaust shape plus the venturi design looks exactly like many of the "hush kits" developed for older jet aircraft so they could meet stage 3 & stage 4 noise levels.