In some cases, scratched exhaust pipes on a motorcycle can be repaired without the need for a complete replacement. The possibility of repair depends on the extent and depth of the scratches.
If the scratches are shallow and only affect the surface of the exhaust pipe, you may be able to remove or reduce their visibility by using polishing compounds or metal cleaners. These products can help smooth out the scratches and restore the appearance of the exhaust pipe.
In such cases, the best course of action would be to consult with a professional motorcycle mechanic or exhaust specialist. They can assess the damage and provide guidance on whether the exhaust pipe can be repaired or if a replacement is necessary.
Remember that the exhaust system plays a crucial role in the performance and safety of a motorcycle, so it's important to ensure that any repairs or replacements are done properly to maintain the integrity of the system.