RoadsterSport 3 Polished Stainless Steel Miata Exhaust Muffler Fits 1999, 2000, 2001, 2002, 2003, 2004 and 2005 Mazda Miata Proudly made in the USA, all Stainless Steel has lifetime warranty. Built in solid 304 stainless steel and completely polished to a mirror finish, this high quality Miata exhaust is our only choice that incorporates a baffle insert that gives YOU some control over the final sound level (baffle in is only about 15% more sound than stock, baffle out is about 25% more sound than stock...so you always have a choice for those longer trips). Includes gasket and hardware needed for install. This Miata exhaust muffler is our favorite. Deep mellow tones flow from our favorite Miata exhaust muffler choice...and this Miata exhaust muffler is the ONLY 99-05 Miata exhaust with an optional highflow midpipe with built in converter and resonator (sold separately) AND adjustable sound level!