FEATURES an aluminized steel case with a 409 stainless steel perforated inner core for high flow and long life
STAINLESS INNER CORE has an expansion joint that allows it to expand and contract with heat to prevent cracking which is common with most similar mufflers
PACKING MATERIAL inside this muffler is a long strand high-temperature fiberglass to deaden sound and stand up to the test of time
SPECIFICATIONS: 3in. inlet / outlet | 4" x 6.5" body | 9" overall length