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Invidia High-Flow Catted Downpipe with Extra O2 Bung for 2002-2007 Subaru Impreza WRX/STI (HS05SW1DOC)

$999.60 $1,428.00
-30%
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Invidia High-Flow Catted Downpipe with Extra O2 Bung for 2002-2007 Subaru Impreza WRX/STI (HS05SW1DOC)
$999.60 $1,428.00
$999.60 $1,428.00

Improve turbo response and exhaust flow on your 2002-2007 Subaru Impreza WRX or STI with the Invidia High-Flow Catted Downpipe. This performance exhaust component replaces the restrictive factory unit with a larger diameter, mandrel-bent design to reduce backpressure and allow the turbocharger to spool faster and more efficiently.

Constructed from T304 stainless steel for long-term corrosion resistance, this downpipe features a high-flow catalytic converter to balance performance with emissions compliance. A key feature for tuners is the integrated extra O2 bung, which allows for the simple installation of a wideband sensor without the need for custom fabrication or welding.

  • Fits 2002-2007 Subaru Impreza WRX and STI models
  • High-flow catalytic converter reduces restriction compared to OEM
  • Includes an extra O2 bung for easy wideband sensor integration
  • Mandrel-bent T304 stainless steel construction for maximum durability
  • Designed for bolt-on installation with factory-style mounting points
  • Manufacturer Part Number: HS05SW1DOC

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