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Perrin 15-20 Subaru WRX FA20 DIT J-Pipe w/Cat





  • Thick.500" CNC cut Stainless-steel flanges
  • Full Stainless-steel catalyst
  • High corrosion and heat resistance up to 1800 degrees Fahrenheit
  • Easy Installation
  • Adjustable tail section


PERRIN offers this replacement J-Pipe for those looking to improve performance on their 2015+ WRX and are using the vehicle in an off-highway, off-road and/or for competition where the OEM unit won’t suffice.

The adjustable tail section will adapt to OEM and aftermarket Cat-Bacl exhaust systems. We include an additional O2 sensor behind the turbo to easily mount a wideband O2 sensor for AFR gauges or future tuning.

Built from CNC mandrel bent 3" tubing and featuring a full stainless-steel catalyst, the PERRIN downpipe features 304 stainless-steel for high corrosion and heat resistance up to 1800 degrees Fahrenheit.