HKS Legamax Cat back Exhaust 2011-2014 WRX/STI Sedan

Special Order, Ship times vary from HKS Sedan Model ONLY!!! does not work with Hatchback model   Here, you are looking at the HKS Legamax Catback Exhaust for 2011-2014 WRX/STI Sedans. Legamax and Sport Exhaust Systems are designed to reduce backpressure and increase exhaust flow for greater peak power and a broader torque band. Each Legamax and Sport 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. Details: SUS304 Stainless steel piping 90mm Burnt tips 86db Sound output 65mm Midpipe 54mm Y-pipe Loop style resonator  Note: A OEM Downpipe to 3in Cat Back Adapter may be necessary if the diameter of the new cat-back exhaust systems piping is different from the stock system, or if there are compatibility issues between the new components and the existing downpipe.