M4 YA9926 SLIP ON SO EXHAUST SYSTEM
DUAL TITANIUM TI MUFFLERS W CARBON CF END CAP
YAMAHA YZF-R1 YZFR1 YZF R1 R1000 1000
09 10 11 12 13 2009 2010 2011 2012 2013
DUAL TITANIUM TI MUFFLERS W CARBON CF END CAP
YAMAHA YZF-R1 YZFR1 YZF R1 R1000 1000
09 10 11 12 13 2009 2010 2011 2012 2013
Retains stock catalytic converter. Produces 3.6 horsepower over stock.