Post by
Ace2cool »
https://forums.nicoclub.com/ace2cool-u95120.html
Thu Nov 09, 2017 7:35 pm
You just wanting to upgrade to something louder? Just unplug the existing horn, unbolt it, replace with something louder (Hella is a popular brand) and put it all back together. We have the FSM's available at the top of the page under "service manuals" if you're unsure where the stock horn is.