RoadsterSport Race MX5 Miata Muffler Fits 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 and 2015 Mazda Miata MX5 Proudly made in the USA, all Stainless Steel has lifetime warranty. This MX5 Exhaust was designed for RACING. In particular, this muffler was designed for the autocross and track MX5 Miata drivers. It may also appeal to some MX5 Miata owners who want a simple and proper single sided Miata Exhaust Yes, this RACE exhaust is on the LOUD side of our choices but what the racers need to know is that max recorded db usually 85-88 db at 50 feet....well within all track and autocross limits and low enough that many will run this MX5 exhaust on their daily driver and love it. Just 7 pounds means this Miata muffler is almost 20 pounds less than the stock Miata muffler!