Removing baffles from the exhaust pipes of a motorcycle can potentially affect the performance and sound of the bike, but it may also have some consequences. While it is not inherently damaging to the engine, there are a few factors to consider:
Backpressure: Baffles in the exhaust system help create backpressure, which is important for proper exhaust flow and engine performance. Removing the baffles reduces backpressure, potentially altering the air-fuel mixture and affecting the engine's tuning. This can lead to poor performance, decreased power, or issues with fuel efficiency.
Tuning: When modifying the exhaust system, it's often necessary to adjust the fuel-air mixture to accommodate the changes. If the bike is not properly re-tuned to account for the increased airflow due to baffle removal, it can result in a lean condition, where the engine runs hotter and can potentially suffer from damage such as burned valves or pistons.
Legal considerations: Keep in mind that removing baffles can make your motorcycle louder, potentially exceeding noise regulations in some areas. This could lead to legal consequences or restrictions on riding in certain locations.
It is advisable to consult with a qualified motorcycle mechanic or tuner who can provide guidance on the specific modifications you are considering. They can help ensure that the bike is properly tuned and that any potential issues are addressed to minimize the risk of engine damage.