Yamaha R1 Forum: YZF-R1 Forums banner

1 - 1 of 1 Posts

·
Registered
Joined
·
296 Posts
Discussion Starter #1
Two Brothers has their dyno run up on their site. They had a gain of 6.6HP, is that good? Can anyone tell me anything about Two Brothers exhaust, quality and sound?
 
1 - 1 of 1 Posts
Top