it is being driven pune aditya ranades 10monthold daughter finds it difficult to sleep during the day and the night and its got nothing to do with being fretful the family is edgy yet helpless against the growing menace of the noisy superbikes many of them with silencers modified for that peculiar rattling effect i go for my evening walk to necklace garden around 630pm after 8pm several of them zip across our house one after another silencers and exhaust handling systems control the engine noise and emissions motorcycle companies are in cohorts with the buyers alleged senior citizen sudhir lalye a resident of ramnagar colony on ndapashan road such an alteration often leads to deterioration in emission performance and fuel efficiency the noise is far above the limits permissible in residential areas the amount of noise that a superbike generates after passing by hurts my ears as well as those of my friends there is clearly some tampering done by the bike owners who may have got the silencers intentionally modified he said the excessive noise of modified silencers is not only irritating to those who are forced to be exposed to it but also equally dangerous even healthwise for the bike owner who is exposed to it she added