How much more power do you get when change the exhaust on a 1991 cbr 600?
Changing the exhaust on a 1991 CBR 600 may result in a modest increase in power, but the actual gains are likely to be minimal and vary depending on the specific exhaust system used. Without any other modifications to the engine or intake system, you can generally expect a gain of around 2-5 horsepower at the rear wheel. However, it's important to note that exhaust modifications can affect other aspects of the motorcycle's performance, such as torque, throttle response, and overall rideability. It's also crucial to ensure that the new exhaust system is compatible with the motorcycle and does not cause any negative effects on the engine or other components.