2015-2019
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 quiet insert sold separately
2015-2019
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 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...
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...
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
