Turbosmart ProPort Series Blow Off Valves are engineered for high-horsepower turbocharged engines, offering an impressive flow rate of 420 CFM. With a compact design and robust construction, these valves are capable of handling up to 3,500 horsepower, making them ideal for extreme performance applications. The ProPort Series ensures superior boost control and minimizes turbo lag, providing reliable performance even under the most demanding conditions. Whether you're pushing boundaries on the track or fine-tuning a high-performance build, Turbosmart ProPort Blow Off Valves deliver the precision and efficiency needed to maximize power and response.