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GR WRX-Specific Engineering
Material: Cast aluminum swirl pot canister -- 1 liter capacity
and reducing turbo lag
Larger diameter ARP studs provide substantially more clamping force and resist the stretching that occurs at high cylinder pressure
ETS Axle Back Exhaust System w/ Muffler Polished Tips - Subaru Models (inc. 2015-2021 WRX / 2015-2018 STI) PDM_license-plate-frames GR WRX-Specific EngineeringThe ETS Axle Back Exhaust System has been designed to eliminate the factory muffler to provide optimal weight savings with an aggressive sound under full throttle. These are like the ETS axle back exhaust systems except these do have mufflers included to lower the sound for those of you who need to be in compliance with your local area provisions. Included are a pair of 2. 5" pipes that lead to quad 3. 5" double wall tips. This exhaust system has been