FLAT4 Performance - 3" Downpipe to OEM Catback (2002+ WRX / 2004+ STI)
FLAT4 Performance 2.5” to 3.0" exhaust adapter flange is made for the Subarus with 2.5" OEM-sized downpipes to 3.0" mid pipes and/or catback exhausts.
Designed to eliminate exhaust leaks that is typical with other designs, it consists of a 2.5” machined lip flange which is inserted in the down-pipe that will smoothly transition to a 3.0" diameter, and then connects to your 3.0” mid pipe kit or cat back exhaust system.
Designed to eliminate exhaust leaks that is typical with other designs, it consists of a 2.5” machined lip flange which is inserted in the down-pipe that will smoothly transition to a 3.0" diameter, and then connects to your 3.0” mid pipe kit or cat back exhaust system.
- For use with 2.5" OEM-sized downpipe to 3.0" midpipe and/or catback system
- Universal and can work on other applications. Please check the sizes.
- Made of Mild steel
- One year warranty
- Simple Bolt on solution
- Nut and Bolts included
- CNC machined flange
- Machined lip centers 2-Bolt Gasket
- Gasket is included
- Flange is .38" thick
- One piece design
- Will not obstruct exhaust flow
Compatible Vehicles:
- SUBARU STI 2004
- SUBARU STI 2005
- SUBARU STI 2006
- SUBARU STI 2007
- SUBARU STI 2008
- SUBARU STI 2009
- SUBARU STI 2010
- SUBARU STI 2011
- SUBARU STI 2012
- SUBARU STI 2013
- SUBARU STI 2014
- SUBARU STI 2015
- SUBARU STI 2016
- SUBARU STI 2017
- SUBARU STI 2018
- SUBARU STI 2019
- SUBARU STI 2020
- SUBARU STI 2021
- SUBARU WRX 2002
- SUBARU WRX 2003
- SUBARU WRX 2004
- SUBARU WRX 2005
- SUBARU WRX 2006
- SUBARU WRX 2007
- SUBARU WRX 2008
- SUBARU WRX 2009
- SUBARU WRX 2010
- SUBARU WRX 2011
- SUBARU WRX 2012
- SUBARU WRX 2013
- SUBARU WRX 2014
- SUBARU WRX 2015
- SUBARU WRX 2016
- SUBARU WRX 2017
- SUBARU WRX 2018
- SUBARU WRX 2019
- SUBARU WRX 2020
- SUBARU WRX 2021