The WALKER EXHAUST 4" inlet 5" outlet exhaust muffler is engineered for optimal sound control, offering a quieter ride experience. Constructed from corrosion-resistant materials, it is designed to withstand harsh conditions. Its larger outlet enhances exhaust flow, boosting engine power while reducing back pressure to improve engine efficiency and performance. Additionally, it improves the exhaust note by delivering a deep, rich tone without excessive noise, making it a robust component for its vehicle's exhaust system.