Description STREETPOWER Muffler, 2.5 side inlet x dual 2.25 outlets Material 304 Stainless Steel Warranty Five Year Limited Warranty Notes - Ideal for use on many of today's most popular vehicles (Evo X, New Subaru STi, etc...) Muffler Specs Inlet Diameter 2.5Outlet Diameter Dual 2.25 Muffler Size 6 x 10 Oval Muffler Body, 24 Long