Invidia Downpipe - Catted Divorced Wastegate with Extra O2 Bung

2008-2014 Subaru WRX / 2008-2014 Subaru STI

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SKU: HS08SW1DOCWe price match!

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Replacing your factory downpipe can result in great power gains. Features a divorced wastegate, catalytic converter, and extra O2 bung.
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This model has a divorced wastegate and INCLUDES a catalytic converter. Separation of exhaust gas results in smoother, an uninterrupted flow which leads to more performance. The cat helps keep exhaust fumes down and closer to compliance with most local laws*.

Free flow design consisting of 3" stainless steel mandrel bend piping. Bolts up to OEM and bolt-on cat-back exhaust systems.

The extra O2 bung is great for those thinking about installing a wideband sensor in the future.

*Please refer to local laws for removal/replacement of your vehicle's exhaust system Fits


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  1. Excellent product

    By Anonymous October 18, 2022

    I have installed many aftermarket exhaust systems and the Invidia downpipe and N1 cat back is without a doubt the best fitting and highest quality product I've seen. Not too loud and or quiet, just what I wanted.

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