Mishimoto OEM Downpipe To 3" Cat Back Adapter - Multiple Fitments


$52.95 $69.49

3" Cat Back Adapter For OEM Downpipe

Don’t let a pesky exhaust leak ruin the beautiful tone from your turbo 2015 WRX exhaust. The Mishimoto 2015 WRX Exhaust Adapter allows a smooth exhaust flow transition between your stock downpipe and your 3" sized exhaust.

The engineers at Mishimoto know your Subaru was built for harsh climates, so they designed this adapter with 304 stainless steel material so it will never rust.

This 2015 WRX adapter installs in under 15 minutes and includes stainless steel hardware and a new 3” 2-bolt flange gasket, making installation simple. This 2015 WRX exhaust adapter mates directly with your stock 2015 WRX exhaust flange and gets rid of any exhaust leaks when combining with the Mishimoto 2015+ WRX/STI Cat-Back Exhaust.


  • Allows smooth exhaust flow transition between stock downpipe and 3" sized exhaust
  • Eliminates infamous exhaust leaks caused by mating different exhaust flanges
  • 304 stainless steel adapter will not rust in harsh climates
  • Installs in under 15 minutes
  • Includes stainless steel hardware and 3" 2-bolt flange gasket
  • Mishimoto Lifetime Warranty


  • Engine Codes: EJ255, EJ257, FA20DIT
  • Chassis Codes: BL, BP, BM, BR, GH, GE, GR, GV, SG5, SH, VA
  • Weight: 2 lbs
  • Overall Width: 1.54"
  • Overall Length: 3.94"
  • Overall Height: 5.24"
  • Flange Material: 304 Stainless Steel
  • Pipe Material: 304 Stainless Steel


  • 2002-2017 Subaru WRX
  • 2004-2017 Subaru STi
  • 2005-2009 Subaru Legacy GT
  • 2004-2013 Subaru Forester XT
  • 2005-2009 Subaru Outback XT

What's In The Box?

  • Purchase Includes (1) 3" to 2.5" Exhaust Adapter
  • 3" 2-Bolt Flange Gasket
  • Necessary Hardware


  • Mishimoto Lifetime Warranty

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