Helix Racing Products MUFF STR MEG 19 7/8" CHROME Mufflers / Slip-ons Universal Replacement Muffler CHR20 in Fits 1-3/8" and 1-3/4" Pipes - 240-2200 Chrome plated for long lasting good looks Can be mounted on left or right side Adapters included to fit 13/8&rdquo; thru 13/4&rdquo; pipes Universal mounting bracket included 650cc limit per muffler