2-into-1 Exhaust System with Super Bike 4" Muffler - Stainless Steel

Stepped 1-3/4" to 1-7/8" stainless steel headpipes. 4" muffler body with tapered end cap. Features TIG welding, 18 mm O2 bungs and 12 mm adapters. Partial heat shield covers the rear cylinder headpipe. Made in the U.S.A..