BLOX Racing Axle Back Exhaust Black Version Subaru WRX 2015-2021 / STI 2015-2021(Non SPT) Q60_2017-2021 ** Wideband UEGO sensors are

** Wideband UEGO sensors are wear items and their lifespan is determined by many factors including contamination from leaded fuels

This significant exhaust pressure reduction enables the turbine to run smoothly from low RPM range

235-40-19 Proxes Sport

clean appearance

BLOX Racing Axle Back Exhaust Black Version Subaru WRX 2015-2021 / STI 2015-2021(Non SPT) Q60_2017-2021 ** Wideband UEGO sensors arePart #: BXEX 51104 BK BLOX Racing's muffler delete replaces the OEM muffler from axle back and removes unwanted weight associated with the heavy, stock mufflers. BLOX Racing muffler deletes are constructed from T304 stainless steel, mandrel bent and TIG welded. Each delete kit is dual exit and features single wall quad exhaust tips that are coated black. APPLICATIONS 2015 2021 Subaru WRX2015 2021 Subaru STi (non SPT) SPECIFICATIONS3 piping3. 5"