my bags usually go between UK and Thailand full of spares , tools and other metallic trash , exhaust systems ,impact guns ,diagnostic kit , never had a problem but it must go in checked in baggage .taking back to UK a newly polished exhaust system tommorow cost £5 to do it here £100 in UK also fairing parts painted here for £20 ....£150 in UK big savings all round special Ducati and other parts cheaper in UK but services cheaper here .