ETS Non Resonated Stainless Steel Mid Pipes Subaru WRX / STI 2015-2021 | 200-40-EXH-005 Legacy_2015-2019 An advanced twin piston shock

An advanced twin piston shock design separates the ER series from rest of the pack

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Closed rear section to prevent oil from sloshing into the crank under hard acceleration and aggressive shifts

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ETS Non Resonated Stainless Steel Mid Pipes Subaru WRX / STI 2015-2021 | 200-40-EXH-005 Legacy_2015-2019 An advanced twin piston shockProduct Fitment: 2015 2021 WRX 2015 2021 STI The ETS Mid Pipe is a performance enhancing modification designed to increase horsepower and torque while improving throttle response as well as reducing turbo lag. This is achieved through smooth mandrel bends that limit exhaust turbulence and backpressure under acceleration to allow the turbo to react faster under throttle. Additionally, the increased piping diameter allows better flow throughout the