Two Brothers V.A.L.E. M2/M2 Black Series Slip-On Exhaust Systems 2009-2012 Yamaha YZF R1
Yamaha’s R1 has caused quite a stir since its introduction. If you thought people were impressed with the bike before, wait until they see it with a Two Brothers Racing exhaust system installed on it. Our Dual system will reduce weight by almost 4 lbs, add 6.3 horse power @ 6200 RPM and +5 ft. lbs. of torque @ 6100 RPM. Overall you increase torque & horsepower and dress up the look of your bike with this dual canister slip-on high performance exhaust system exclusively from Two Brothers Racing.
Designed and built with painstaking care and attention to detail, Two Brothers Racing is proud to release our Dual M-2 Slip-on exhaust system for the new Yamaha R1, available with either aluminum, titanium or high-temp carbon fiber canisters.
Performance Specs |
|
Stock |
TBR |
Difference |
Peak HP |
152.5 hp |
156.8 hp |
+4.3 hp |
Peak Torque |
78.1 ft-lbs |
78.7 ft-lbs |
+0.6 ft-lbs |
Max HP Gain |
- |
6.3 hp @ 6200 rpm |
- |
Max Torque Gain |
- |
5ft-lbs @ 6100rpm |
- |
Weight |
11.5 lbs |
8 lbs |
-3.5 lbs |
Sound |
96 db @5000rpm |
103 db @5000rpm |
+7 db |
Catalyst |
yes |
yes |
- |
O2 Sensor |
yes |
yes |
- |
|