How to Modify Car Exhaust Sound?

[Zoe]

The main function of the rear muffler is to reduce exhaust sound. Removing it will noticeably enhance the exhaust sound, while replacing the rear section has negligible impact on performance. This type of modification is equivalent to a full exhaust system upgrade, which shortens the exhaust path and increases exhaust flow. The catalytic converter is a honeycomb-like structure located under the car, containing catalysts to purify harmful gases.