Yoshimura TRC-D Slip-On Exhaust 1314212 Dual taper exhaust sounds incredible in both high-flow and high-power applications MIG-welded stainless steel header and mid-pipe Muffler body is 304-L polished stainless steel MIG-welded construction A tri-oval muffler with dual stainless baffle tips and carbon fiber tip that not only looks trick, but actually helps to reduce noise while improving overall performance.