Legamax SportIt has both quietness and low exhaust pressure!It’s almost quiet as stock vehicle exhaust sound inside car at a low RPM drive. Once you step on the accelerator, you will have a sporty sound.Other Info Clic Here..
HKSThe Stock exhaust manifold was designed by the 4-2-1 type layout for a better performance for a lower engine speed torque. Because the first catalyzer is mounted at the exhaust manifold, exhaust pulsatory motion makes the exhaust gas to pull back to the pipe at middle RPM range. It causes a loss ..