Brock’s Performance Slip-On Mufflers will transform any stock exhaust system into a great sounding, customized accessory. Slip-Ons are also very affordable, making them a very attractive option. Logo plates are available in several different colors to give your bike a custom look and lets not forget, at Brock's Performance, all pipes come free with industry-leading technical support.
YZF-R1/M Exhaust System Decibel Levels
Testing procedure performed according to SAE J2825
Alien Head 2 Muffler (with Noise Reduction Plug):
Idle: 104dB / 5000 RPM: 110dB
Alien Head 2 Muffler:
Idle: 108dB / 5000 RPM: 113dB
YZF-R1/M Exhaust Weight Comparison
OEM Exhaust System:
Total = 18.20 lb.
Alien Head 2™ Slip-On Exhaust (3/4 System):
Total = 4.80 lb.
Total Weight Savings = 13.40 lb. or 74% of OEM weight
*Don't forget ask me for color plate logo you like :)