There are 26 products.
2015-2021 Yamaha R1 M4 Full Titanium System w/MC36 Carbon Muffler Full titanium system MC36 carbon muffler Reduces weight and designed for maximum performance Optional stage 1 Q7 quiet insert sold separately
2015-2021 Yamaha R1 M4 Full Stainless System w/MC36 Carbon Muffler Full system Stainless Steel tubing MC36 carbon muffler Reduces weight and designed for maximum performance Optional stage 1 Q7 quiet insert sold separately
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers Standard slip-on exhast Dual titanium mufflers Eliminates the stock catalytic converter Saves 5lbs over stock and produces 5 more horsepower Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors Available dB reducing muffler...
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers - Cat Eliminator Standard slip-on exhast Dual carbon mufflers Eliminates the stock catalytic converter Saves 5lbs over stock and produces 5 more horsepower Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors Available dB reducing...
2015-2021 Yamaha R1 M4 GP2 Style Slip-On Exhaust w/Titanium Muffler - Cat Eliminator GP2 style slip-on Titanium muffler Catalytic converter eliminator Comes with stage 1 Q1 quiet insert Optional stage 2 Q3 quiet insert sold separately
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Polished Mufflers - Cat Eliminator Standard slip-on exhast Dual polished mufflers Eliminates the stock catalytic converter Saves 5lbs over stock and produces 5 more horsepower Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors Available dB reducing...
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers Standard slip-on exhast Dual titanium mufflers Retains stock catalytic converter Produces 3.6 horsepower over stock Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2015-2021 Yamaha R1 M4 Street Slayer Slip-On Exhaust w/Carbon Muffler - Cat Eliminator Street slayerstyle slip-on MC36 carbon muffler Titanium catalytic converter eliminator Removes 14.5 lbs over stock Optional stage 1 Q7 quiet insert sold separately
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers - Cat Eliminator Standard slip-on exhast Dual carbon mufflers Eliminates stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2004-2006 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers - Cat Eliminator Standard slip-on exhast Dual carbon mufflers Eliminates stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers Standard slip-on exhast Dual carbon mufflers Retains stock catalytic converter Produces 3.6 horsepower over stock Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers - Cat Eliminator Standard slip-on exhast Dual titanium mufflers Eliminates stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers - Cat Eliminator Standard slip-on exhast Dual titanium mufflers Eliminates stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2009-2014 Yamaha R1 M4 Dual Slip-On Exhaust w/Polished Mufflers Standard slip-on exhast Dual polished mufflers Retains stock catalytic converter Produces 3.6 horsepower over stock Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers Standard slip-on exhast Dual carbon mufflers Reatins stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2004-2006 Yamaha R1 M4 Dual Slip-On Exhaust w/Carbon Mufflers Standard slip-on exhast Dual carbon mufflers Reatins stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers Standard slip-on exhast Dual titanium mufflers Reatins stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2007-2008 Yamaha R1 M4 Dual Slip-On Exhaust w/Titanium Mufflers Standard slip-on exhast Dual titanium mufflers Reatins stock catalytic converter Available dB reducing muffler inserts: Stage 1 Q8 and Stage 2 Q6, Sold separately.
2015-2021 Yamaha R1 M4 GP2 Style Slip-On Exhaust w/Black Muffler - Cat Eliminator GP2 style slip-on Black muffler Catalytic converter eliminator Comes with stage 1 Q1 quiet insert Optional stage 2 Q3 quiet insert sold separately
2015-2019 Yamaha R1 M4 Titanium Catalytic Converter Eliminator Removes 13 lbs off the stock system Works with stock muffler or any aftermarket muffler that mounts in Standard/Stock position
