Elucidating optimal exhaust manifold divergence and temperature distribution in improving low-end engine speed performance by Ramasamy, Girrimuniswar, Mohamad Razlan, Zuradzman, Abu Bakar, Shahriman, Rojan, Mohammad Afendi, Ishak, Azizul Aziz, Rani, Muhammad Faiz Hilmi, Guan, Ng Yee, Murali, Rishan, Sunan, Sukport, Akbar Ali, Muhammad Hussein