Bassani Xhaust The Ripper Short Road Rage 2-Into-1 Exhaust System - Stainless Steel583382927 Product Description Designed with a louder, more aggressive tone Stepped 1 3 4" to 1 7 8" head pipes Fully welded one piece design Hand TIG welded Utilizes an advanced inner collector for maximum performance Baffle measures 10" x 2 1 4" Includes 18 mm O2 bungs with 12 mm adapters Made in the U. S. A.