This is the first time a jail term was obtained for illegal modifications. SINGAPORE: A 48-year-old man was on Thursday (Jul 10) sentenced to six days’ jail and fined S$11,000 (US$8,600) for illegally modifying three motorcycles’ exhausts. This is the first time a jail term was obtained for illegal modifications. On Mar 9, 2020, Tang Yong Shun made an application to the Land Transport Authority (LTA) to market and sell various models of Dr Jekill and Mr Hyde aftermarket exhausts in Singapore as