Designed with a louder, more aggressive tone Stepped 1-3/4" to 1-7/8" head pipes Fully welded one-piece design 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.. EXHAUST 2:1 RIPPER SHRT B