We installed the 4/4 --- does sound good
Install went well since the owner has no heater muff or carb heat muff. A little adjustment was necessary because the owner failed to notify the vendor that a gascolator was on the lower left firewall.
RV-10 Co-built (sold)
RV-8A Maintained and flown (Sold)
RV-6A Bought and Flying (N177RV)
IO360, 180HP/CS, AFS 5600T, G650, VIZ385
Very Happy Contributor
Based at KCLW (Clearwater, FL)