PLM 3in to 2.5in Exhaust Adapter Flange Subaru WRX / STI 2002-2021 EJ Models

Part #: PLM - SUB - DP30 - MP25. The Private Label MFG Exhaust Adapter Flange, converting from 3 inches to 2.5 inches, is tailored for Subarus with 3 - inch downpipes and 2.5 - inch OEM midpipes. It's designed to prevent common exhaust leaks. This adapter features a flared 3.0 - inch flange that fits smoothly into the downpipe and transitions to a 2.5 - inch pipe for your OEM or 2.5 - inch midpipe. It might also work for other applications. Key features include being brand new in the box, made of mild steel, having a one - year limited warranty, a simple bolt - on solution with nuts and bolts included, a CNC - machined flange that's about 3/8 - inch thick, a one - piece design, and no obstruction to exhaust flow.

Using this exhaust adapter flange is easy. First, make sure your Subaru has a 3 - inch downpipe and a 2.5 - inch OEM midpipe. The adapter comes with nuts and bolts, so just bolt it on to connect the downpipe and midpipe. It's a one - piece design, so it fits right in without any hassle. When installing, double - check that the flared 3.0 - inch flange goes into the downpipe and the 2.5 - inch pipe goes into the midpipe. As for maintenance, since it's made of mild steel, it's a good idea to check it regularly for any signs of rust or wear. If you notice any issues, contact the manufacturer as it comes with a one - year limited warranty. And remember, while it might work on other applications, it's mainly designed for the specified Subaru models.