Pontello Motorsports • Driveline Systems

RLV EXF4104 1 5/16" Exhaust Silencer

The B91 4-cycle Silencer Line delivers significant noise reduction for both actual and perceived sound levels while maintaining full horsepower output. Engineered as the first step toward quieter racing environments across the country, this silencer meets WKA, NKA, and AKRA regulations. The 1 5/16" design integrates seamlessly into your exhaust system, making it an ideal choice for competitive and recreational kart r