HKS Legamax Premium Catback Exhaust WRX / STI (2015-2018) Speedwell Wheels reliable horsepower gains

reliable horsepower gains

Quality sport springs made from highly durable material

The system features CNC machined exhaust flanges that measure 8mm thick and dual canisters with slip-fit 109mm oval tips

These are also great coil overs for those of you who got a new set of more aggressive wheels and want to provide your vehicle with a better stance

Relocation of factory oil cooler necessary for fitment on automatic transmission WRX

HKS Legamax Premium Catback Exhaust WRX / STI (2015-2018) Speedwell Wheels reliable horsepower gainsThis 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