YAMAHA R1M EXHAUST SOUND

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Two Brothers Slip-on system for the R1 and R1M, eliminates the cat to increase horsepower and torque, and sounds super mean. View it online at .
Here we do a sound check on our customers stock exhaust VS the genuine Yamaha Akropovic slip on! Needless to say, the customer was very happy!
Yamaha YZF-R1M 2015 Dyno Test with Akrapovič Exhaust.
Wanting the ultimate exhaust setup for your 2015Yamaha YZF-R1/R1M? Well look no further! This Complete Soundcheck will give you a true example of how .