I find that the horn is definitely wimpy sounding, but I am usually hearing it from inside the truck. Stand in front of the grille and have somebody else blow the horn at you or trigger the Panic on your fob. It sounds juuuust a little bit stronger when you are on the receiving end . . .
Still, louder is better I always say, so if somebody has found a really good replacement I'd like to hear about it too. I had a set of Hella air horns (with the three red plastic trumpets) on an old car and they were quieter than the horns on my wife's Honda.
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2005 Frontier Nismo CC 4x2 --
Aztec Red, Rockford-Fosgate, Sunroof, Side Curtain Air Bags, Tow Package, Bed Extender, Hard Tonneau (finally!!), Microfilter, Manik Step Bars, Nissan iPod Interface, Ground Wire Kit, and more to come . . .
Pictures!!