GrimmSpeed Stock Downpipe to Aftermarket 3" Catback Adapter

DESCRIPTION

The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need to eliminate any exhaust leaks associated with the addition of an aftermarket 3" cat-back exhaust system. This adapter will allow you to retain your stock donut gasket to make for a great solution to eliminate the exhaust leak where the stock downpipe and your aftermarket 3-inch cat-back exhaust system will meet. 

WHY?

No one wants exhaust leaks. This cat back adapter is a great preventable piece to help seal your downpipe and exhaust connection. Keep ahead of or fix any leaks with this adapter by GrimmSpeed.

FEATURES:

• CNC machined from mild steel 

• Zinc-coated for durability and longevity

• Flanged for the OEM donut gasket

• Machined lip centers 2-bolt gasket

• Simple bolt-on installation
  

COMPATIBILITY

2002+ WRX 

2004-2021 STI