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- Mandrel Bent 3” Stainless Steel Tubing
- GESi High Flow Catalytic Converter
- Cast Bellmouth Inlet
- Retains two O2 bungs for Sensors
COBB Subaru GESi Catted 3" Downpipe
A free-flowing exhaust is a crucial part of any turbocharged car, which is why COBB released the GESi Catted 3” Downpipe. This downpipe is not like others on the market, as it utilizes a GESi catalytic convertor, which is designed and built to handle higher power output than your standard catalytic convertor. Collecting the gases from the turbo is a CAD designed cast bellmouth, which smoothly transitions gases from the exhaust housing to the downpipe and decreases back-pressure.
The construction of the downpipe is out of mandrel bent 3” 304 Stainless Steel tubing, which will be resistant to corrosion. The upstream O2 bung is ideal for a wideband O2 sensor, while the post catalytic convertor O2 is ready to accept the OEM sensor. Finishing off the downpipe is the cast 304 Stainless Steel flange, which is reinforced to resist warping. This can bolt up to the provided adapter flange and gasket for the OEM exhaust, or Cobb Cat-Back with the OEM donut gasket.
- 2015-2020 Subaru STI
- 2008-2014 Subaru WRX
|Additional Warranty Information||None|
COBB SS 3” GESI Catted Downpipe / 524210 Fits
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