M4 GP Exhaust Installing and Sound Comparison | YAMAHA YZF-R6 2008

Upgrading my 2008 Yamaha R6 with an M4 exhaust — and the sound is unreal! Watch the full install and hear the first start-up with the new setup. If you love clean builds, loud bikes, and pure R6 power, this one’s for you. Mods: M4 Slip-On Exhaust Bike: 2008 Yamaha R6 Make sure to like, comment, and subscribe for more motorcycle upgrades, rides, and sound tests! #YamahaR6 #M4Exhaust #MotorcycleLife #BikeMods #R6Life