Yoshimura TRC Dual Slip-On Mufflers Stainless/Carb/Carb for Yamaha YZF-R1 09-13 Size: YAMAHA YZF R1 09-13 Style: STAINLESS TAILPIPE/CARBON DUAL MUFFLER/CARBON END CAP Color: Black Warranty: All Yoshimura of America, Inc. exhaust systems carry a limited one-year warranty against defects in workmanship and/or materials. See manufactur site for full details.