Invidia Downpipe Catted Subaru Legacy 2.5GT 2010-2012

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This is the Invidia Catted Downpipe. The factory downpipe is highly restrictive by the nature of the design and begins right after the turbocharger leaving much room for improvemen t.Invidia really opens up the exhaust flow path with their downpipe by developing a unit that combines a larger piping diameter with smooth bends. This will allow the turbocharger to exhale those exhaust gases with fewer restrictions and turbulence for unobstructed flow right out of the cat-back exhaust system. Because of these reasons, downpipes make for the most popular exhaust upgrade that adds a substantial bump in both horsepower and torque with a great reduction in turbo lag. DETAILS: 304 stainless steel construction 3" piping diameter 2-piece design Built-in high-flow catalytic converter (2) Built-in O2 sensor bungs Includes new exhaust gaskets and hardware Increases horsepower Increases torque Reduces turbo lag Improves the throttle response NOTE: TUNE REQUIRED - Because aftermarket downpipes will change the power dynamic of your vehicle, a tune is mandatory to optimize the power and running condition of your vehicle Does not include the turbo housing gasket - It is highly recommended that you source a new gasket before the installation Show more