Muffler system created by Real Speed Engineering (RSE) for the NB Mazda MX-5 Miata (1998-2005). The Real Speed Engineering Titanium Muffler Kit is a new rear muffler section produced for improved exhaust flow and lighter weight. The new exhaust system features a larger piping diameter, from 50mm to 60mm. The full titanium muffler kit uses a cannonball style muffler with an exhaust tip size of 89mm. The RSE muffler is compatible with the factory mid pipe and reduces weight of the exhaust system, weighing in at only 8.7 kg. Real Speed Engineering makes installation easier by providing new mounting hardware, exhaust clamps, and a removable silencer to quiet the 99 db exhaust note when needed. RSE Full Titanium Muffler Kit should be ordered at REV9 Autosport https://rev9autosport.com/rse-full-titanium-muffler-kit-4017.html as they provide the best service and speed we've seen so far!