HKS Legamax Premium Catback Exhaust WRX / STI (2015-2018) Speedwell Wheels Core size: 28" x 9

Core size: 28" x 9

Each Subaru WRX application is road tested in North America for the proper balance between performance and comfort

T Kit tuners receive a suspension kit from the factory perfectly balanced to suit their vehicle

quickly adding one to its development fleet

HKS Legamax Premium Catback Exhaust WRX / STI (2015-2018) Speedwell Wheels Core size: 28" x 9This HKS Legamax Premium exhaust system is designed specifically for the 2015 2017 Subaru WRX and STI. Legamax Exhaust Systems are designed 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