My XR has the dual horns but I always add air horns on my vehicles, I leave the factory horns in the circuit so that when a quick pip is wanted you only get the factory horns ( cause a quick touch is not long enough for the compressor to pump enough air to blast the trumpets ) and you have to lean on it longer for the real blast, so you get the best of both.
And don't those air horns get some attention quick!
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