Remarkable Power A2107 Outlet Diameter 3.5&lsquo;&rsquo; Inlet Diameter 2.5&lsquo;&rsquo; N1 Style Stainless Steel Exhaust Muffler Silencer Brand New A2107 Outlet Diameter 3.5 Inlet Diameter 2.5 N1 Style Stainless Steel Exhaust Muffler Silencer Inlet length : 2.5'', Inlet diameter  2.5'', Outlet diameter  3.5'', for more details see " Product Description " Manufacturer Part Number: A2107 Placement on Vehicle: Rear Free shipping for this item available only in the continental United States. For Puerto Rico, Alaska, and Hawaii, please contact us first for a quote.