Stainless Headers Mfg.&nbsp; 1.75&rdquo; to 2.25&rdquo; Stainless Exhaust Header Transition Muffler Adaptor - American Made Manufactured By Stainless Headers Mfg., Inc. in their U.S. Facility These transitions work great for joining exhaust  header - turbo down pipes Fabricated from an American made .065/16 gauge 304 stainless steel Sized from 1  OD and transitions up to 2  OD final size 3 Overall length