Police have issued 79 summonses for illegal motor exhaust modification during a seven-day operation from March 1 to 7.<br /><br />The operation, dubbed the Operasi Khas Bunyi Bising, was targeted at those who heavily modified their motor exhausts causing excessive noise.<br /><br />WATCH MORE: https://thestartv.com/c/news<br />SUBSCRIBE: https://cutt.ly/TheStar<br />LIKE: https://fb.com/TheStarOnline