Our 98 Contessa has a pair of horns on the roof. The seller described them as "wimpy".
On our trip home, I had cause to give another driver a blast in anger, and I was surprised how little real noise was emitted. next rest stop, I had Janet exit the coach and I gave her a blast, then we traded places. We both thought the blast inadequate.
I have ordered a new "Hadley" 29" horn, rated to produce 135 dB of noise. I plan to put this new horn on the roof, beside one of the Beaver horns.
Q: is there enough air in the line to tee off another horn?
Q2: can I get at the line by removing some small bit of the headliner? If not, can I pull it up from the top?
Q3: Can I get replacement "Beavers" for the horn covers?
Anyone tried improving the horns on their coach?
I have also seen a set of 3 plastic trumpet horns, 12",10",8", in Harbour Freight, with its own compressor, so all that is needed is 12v supply. I may add these as well, but would put them behind the front cap, so out of the weather, but where the noise would still get out.