Good loud siren?

[JEXTEL 10+ year member]

http://cgi.ebay.com/Car-Auto-Van-Truck-12V-Electric-Vehicle-Horn-Siren-LOUD_W0QQitemZ310065214342QQihZ021QQcategoryZ60203QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

is this one?

I recent got caught in a storm in wildwood and it ruined my lowered mount siren so i need a replacement my old one was pretty loud but its always room for impovement..

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[thaster 10+ year member]

140db siren. i dont know of any siren louder than that. i think jcwhitney.com sells them