MANUFACTURER : M2 Motorsport
SIZE : 2.5" Bore
SPECIFICATION : Centre Section - None Resonate
DIAMETER 2.5" ALSO SUITABLE FOR TURBO CARS - Will not fit OEM MAZDA rear muffler as this is 2.5" . Fits 440mm CAT if you have a 375mm CAT or 475mm CAT please also purchase the M2-MX590NA-DC (DE-CAT) or M2-MX590NA-FC (FAKE CAT) part numbers as well.