J's Racing Civic Type R FK8 Street Legal 70RS Plus Dual ExhaustThe main pipe and silencer are made of a high quality SUS304 stainless with all the TIG welding done by hand. The dolphin tail, which is the signature of J's Racing exhaust, has a 114mm diameter and presents a very impressive appearnace. All the exhausts are hand made one by one by a very experienced craftsman for the superior quality. The structure is 70 70 x2, which works well both for a better performance from a boost up and for maintaining ample