HKS Legamax Premium Catback Exhaust 2015-2021 WRX / 2015-2021 STI

Legamax Exhaust Systems are designed specifically for high-end sports cars to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Legamax Premium 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. All Legamax systems are made from polished SUS304 stainless steel piping.