Spoon Sports 17+ Civic FK7 N1 Muffler KitThe L15C in the Civic 1. 5 Turbo has a characteristic of torque from low to medium speed but lacks in the power band. The Spoon N1 Muffler Kit improves upper range torque and response with 60mm SUS304 stainless piping. The tip is 65mm with 127mm dual mufflers. As with Civic Type R FK8, it is also essential to increase the diameter of the front pipe to pursue even higher output and high torque with ECU tune such as boost up. A 60mm front pipe is