2-in-1 system with equal length manifolds Header tubes from 1-3/4" to 1-7/8" Recommended for Sportster 1200 and up Advanced joining piece for maximum performance Made of stainless steel with hand TIG welds Megaphone silencer in stainless steel Made in the U.S.A. For use with center position controls Includes housings for 18 mm lambda sensor and 12 mm adapters
