I have an original FOMOCO dual exhaust and FOMOCO trumpets on my Acode and they stick out 1 3/8" on the top and 4 1/2" on the bottom measuring from the trim ring to the end of the trumpets. Hope this helps.
http://www.ncrmc.org/photopost/data…_Mustang_3a.jpg
Mike
Edited by - Mike C. on 04/17/2010 14:48:54