Where can I buy a set of these please?

[The Dogs Pollacks Brother]

Sooooo need a set of these on the Grumpster when we sneak up to the pontoon at Dale!

http://metro.co.uk/2014/05/11/cruis...anthem-seven-nation-army-using-horns-4724140/

 

[prv]

Piers on the motorboat forum sells some hefty hooters. Not cheap though!

Pete