Can anyone give me some advise please my mate shooting a s400 he says when he fires it the rabbits run like hell even the other side of the field he,s useing airarms silencer. Im shooting same gun and silencer and ive had no trouble he wants to know if theres any othere silencer people would recomend to use or does anybody know why this is happening why is it so loud????? Can someone give me some advice please.