Invidia - Downpipe Divorced Wastegate with 2 Bungs - Catted (inc. WRX 08-14 /STi 08-17 / Forester XT 09-11)
   Quick Product Info
Brand: Invidia
Part #: F-INV-HS08SW1DOC
Catalytic Converter: Yes - High Flow
Hardware Included: Yes
Material: 304 Stainless Steel
Mouth Design: Divorced Wastegate
Piping ID: 3in
Piping Taper: No
Tune Required: Yes
   Confirmed Applications
2008-2017 Subaru STi
2008-2014 Subaru WRX
2005-2009 Subaru Legacy GT (MT only)
2006-2009 Subaru Legacy GT Spec B
2005-2009 Outback XT (MT only)
2009-2013 Forester XT
2009-2013 Subaru Impreza 2.5GT
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Product Details

Invidia Catted Downpipe is design with a Divorced Wategate that separate exhaust gas and create a smoother flow. This design is creating more HP and Torque.

The tubing, crafted with 304 stainless steel for longevity, is a 3in mandrel bend piping. It will bolt up to any stock backback or stock replacement unit.

It also comes with a second oxygen sensor bung carefully welded in. This additionnal unit is perfect to install a wideband oxygen gauge sensor while keeping the stock one intact. This second bung comes with a plug, so no worries if you plan to add the wideband oxygen gauge later.

Like most downpipe, you should tune your car on install.