M35A2 Horn upgrades

[Slate]

My Xm381 needs an upgraded horn to go with the Truck. What type of horns have you guys used and how did you plumb them in? Train horns etc. Thanks

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[98G]

K5LA

 

[Slate]

K5LA

Wow those are awesome. Thank you Sir. Little pricy but you get what you pay for.

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[HanksDeuce]

Another vote for K5LA.

Here's my install: https://www.hanksdeuce.com/train_horn.htm

Here's a video from inside the cab:

 

[Slate]

Another vote for K5LA.

Here's my install: https://www.hanksdeuce.com/train_horn.htm

Here's a video from inside the cab:

I just need to find one used.

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[98G]

I just need to find one used.

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I've seen knockoffs made from PVC instead of the cast aluminum. Sounded more or less the same and still 130-150dB. Cost about 1/4.

 

[TechnoWeenie]

Grover 1512/1510, aka stuttertone.... aka fire truck horn.

Clears intersections amazingly well..

The knockoffs are Wolo: Chief and United Pacific 46174

Real one is $300+, knockoffs are less than $100

 

[muthkw25]

A new set of stock airhorns work well. A lot of times the old horns have dirt inside and or need to be tuned up to work well. New sets on my trucks have worked great and get attention!

 

[Sgt Jiggins]

If you go with a K5LA, make sure you have enough air in reserve - those things will really drain an air tank.

 

[18operator]

I just tuned mine up not too long ago. I took them apart and cleaned and polished the copper diaphragms. There is an allen screw adjustment on the back to get them to sound off as loud as possible.