The Shoenfeld Anti Reversion Chamber Muffler is a high-performance exhaust component designed to enhance the efficiency and sound quality of your vehicle's exhaust system. With its compact size and precision engineering, this muffler is a popular choice among automotive enthusiasts and professionals alike. Measuring 11 inches in length, the muffler boasts a 4-inch body diameter, ensuring optimal flow dynamics and minimizing backpressure within the exhaust system. Its 3.5-inch inlet and outlet diameters further contribute to seamless integration into various exhaust setups, making it versatile for different vehicle models and configurations. One of the standout features of the Shoenfeld Anti Reversion Chamber Muffler is its innovative anti-reversion technology. This design prevents exhaust gases from flowing back into the engine cylinders during the valve overlap period, enhancing overall engine performance. By minimizing reversion, this muffler helps maximize horsepower and torque, providing a noticeable improvement in your vehicle's responsiveness and power output. Temporary non-high temp paint. 3.5" inlet and outlet diamtere. 4" body diameter. 11" long. Minimizes reversion.