Subaru Impreza GDA Twin Scroll WRX STI 01-06 - Exhaust Decat Downpipe

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Our Subaru WRX STi Spec C Decat Downpipe replaces the standard restrictive downpipe and catalytic converter with a stainless steel, 3" one-piece item. Increasing the bore of the downpipe and replacing the restrictive catalytic converter allows the exhaust gasses to flow much more freely, increasing the power output of the engine.

This downpipe has been specifically designed for the twin scroll turbo setup


Manufactured from T304 stainless steel
3" bore
Twin scroll
TIG welded, CNC machined flanges
Boss fitted to accept O2 (lambda) sensors


Subaru Impreza GDA NewAge WRX STI Spec C / Twin Scroll 2001-2006 models

More Information
Part Number JS042EC
Product Category Exhaust Downpipe
Manufacturer Japspeed
Exhaust Pipe - Pipe Bore (mm) 76
Exhaust Pipe - Length (mm) 1000
Exhaust Pipe - Ancillaries included 2 x Gaskets / 2 x Bolts
Material Stainless Steel