Spoon has been developing at every driving stage in order to pursue the sports performance of the S660 to a higher level. Among them, the exhaust system has undergone numerous tests according to various engine specifications. Although the S07A engine is 660cc, it exhibits sufficient kinetic performance even in the normal state, but in order to further power up by applying ECU tunes such as boost up, it is essential to optimize the exhaust efficiency. In order to maximize torque and power from normal vehicles to ECU tuned vehicles, the center pipe has a different diameter megaphone structure of 50? and the main pipe has a different diameter megaphone structure, and by optimizing the layout, medium speed torque is not sacrificed. Achieved improved output in the high-speed range. Using 1.2mm thick SUS436 pipe, it is lightweight while ensuring sufficient strength. The finisher adopts 65? 1 out, which is also a symbol of SPOON N1 muffler, and achieves both safety standard conformity and high quality N1 sound. --- Remarks & special notes Conforms to safety standards Proximity exhaust noise MT: 93db CVT: 90db Weight 5.3kg (STD: 6.0kg )