CALL US FOR SPECIAL PRICING! Legamax Exhaust Systems are designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Legamax Exhaust application utilizes a specific muffler design and shape along with the appropriate piping diameter to maintain low-end torque while maximizing high-end horsepower. Most Legamax systems are made from polished SUS304 stainless steel piping.