COBB Tuning 3" GESi Catted Downpipe for 2008-14 Subaru WRX MT, 08-20 STI, 05-09 LGT MT, 09-13 FXT
- Usually Ships in 24 to 72 Hours
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- P65 WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov.
COBB Tuning 3" GESi Catted Downpipe for 2008-14 Subaru WRX MT, 08-20 STI, 05-09 LGT MT, 09-13 FXT
The COBB Tuning GESi Catted 3" Downpipe begins with a CAD designed cast bellmouth that smoothly blends air exiting the turbocharger's turbine housing. Minimizing turbulence when exhaust gasses from the wastegate join into those flowing through the turbine helps to prevent excessive back-pressure. The cast housing is capped off with a COBB logo and auxiliary O2 bung for those wanting to install a wideband sensor early in the exhaust path.
A welded bracket utilizes the factory hard mount near the transmission reducing stress on the turbocharger mounting bolts and studs.
Corrosion resistant and mandrel bent 3" 304 Stainless Steel tubing carries exhaust gasses down stream into a COBB-exclusive GESi 300 cell high flow catalytic converter. A second O2 bung is located directly after the catalytic converter and is to be used by the OEM Rear O2 sensor.
A CAD designed, cast 304 stainless steel, flange finishes off the tail section of the downpipe. The reinforced cast flange is less susceptible to warp during assembly and for those of you installing with the strength of Hulk. A stainless adapter flange and included MLS gasket allows direct fit with the factory exhaust or COBB Cat-Back Exhaust utilizing the OEM donut gasket. Included COBB proprietary shoulder nuts allow installation of the factory spring bolts without fuss.
Subaru GESi Catted 3" Downpipe STI 2008-2020, WRX 2008-2014, FXT 2009-2013
- CAD Designed Cast Turbo Outlet for Maximum Flow
- 304 Stainless Steel for Corrosion Resistance
- High Flow GESi Catalytic Converter
- Two O2 Bungs for Factory & Aftermarket Sensors Included
- Adapter Utilizes Stock Donut Gasket for Optimal Sealing & Long Life
*2015-20 STI - COBB recommends custom tuning when using their downpipe. The COBB Tuning GESi Catted 3" Downpipe is one of the premier modifications most owners look to upgrade on their turbocharged Subaru. By increasing exhaust flow coming out of the turbocharger, an upgraded downpipe provides substantial power gains when combined with appropriate tuning.
This part is in the process of external testing with the EO process ongoing.
NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY EMISSION CONTROLLED MOTOR VEHICLE.
While we believe that that these parts comply with EPA’s Anti-Tampering Policy we have not completed the testing/CARB EO submission process.
Model Year & Fitment
- 2008 Subaru WRX Manual Transmission
- 2009 Subaru WRX Manual Transmission
- 2010 Subaru WRX Manual Transmission
- 2011 Subaru WRX Manual Transmission
- 2012 Subaru WRX Manual Transmission
- 2013 Subaru WRX Manual Transmission
- 2014 Subaru WRX Manual Transmission
- 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
- 2005 Subaru Legacy GT Manual Transmission
- 2006 Subaru Legacy GT Manual Transmission
- 2007 Subaru Legacy GT Manual Transmission
- 2008 Subaru Legacy GT Manual Transmission
- 2009 Subaru Legacy GT Manual Transmission
- 2009 Subaru Forester XT
- 2010 Subaru Forester XT
- 2011 Subaru Forester XT
- 2012 Subaru Forester XT
- 2013 Subaru Forester XT
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How do I return an item?
You have 14 days to inspect your shipment and contents. After that period, IAG is no longer responsible for missing items. You have 30 days to report any damaged or incorrect items, after that period IAG is no longer responsible for returns or exchanges. All stocking products are subject to a 30 Day return policy. The item(s), when approved for return, are subject to a 20 percent restocking fee. Canceled orders may be subject to a 20 percent cancellation fee. All product returns require a return authorization number before being shipped back to IAG or the manufacturer. An “RMA” number is obtained by calling the IAG Support Desk at 410-840-3555 or emailing email@example.com. Some products may require shipping back to the manufacturer for inspection before a return or exchange may be processed. Some products may not be able to be returned. Products that have been modified or installed are not eligible for return. There are no returns or cancellations for Special Order/Made to Order items and Electrical Components (including the COBB Accessport). Items returned after the 30 Day return period without an RMA will be refused. Canceled service appointments with deposits are non-refundable.
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