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034Motorsport High Flow Catalytic Converter (1.8T)

034Motorsport High Flow Catalytic Converter (1.8T)
034Motorsport High Flow Catalytic Converter (1.8T) 0034Motorsport High Flow Catalytic Converter (1.8T) 034Motorsport High Flow Catalytic Converter (1.8T) 034Motorsport High Flow Catalytic Converter (1.8T) 034Motorsport High Flow Catalytic Converter (1.8T)
034Motorsport High Flow Catalytic Converter (1.8T)
$345.00

Availability: In Stock

MPN: 034-105-4021
By 034Motorsport

This 034Motorsport high-flow catalytic converter (HFC) is designed to replace the restrictive OE catalytic converter, and allow for quicker spool while increasing horsepower and torque throughout the powerband. This HFC fits:

  • 1997-2001 Audi A4 B5 1.8T (FWD & quattro)
  • 2002-2005.5 Audi A4 B6 1.8T (FWD & quattro)
  • 1998-2005 Volkswagen Passat B5 1.8T (FWD & 4Motion)

Direct bolt-in for OEM cat-back exhaust, or aftermarket cat-back exhaust systems designed to fit with the OEM catalytic converter.

034Motorsport dyno showed gains of over 26WTQ and 15WHP on stock turbo tunes.

  • Full 304 stainless steel tubing construction
  • 250-cell stainless steel matrix cat
  • TIG welded and backpurged
  • CNC machined flanges to prevent warping and expansion
  • Factory correct oxygen sensor and exhaust hanger placement
  • Full 3" tubing is used throughout
  • Dyno proven horsepower and torque gains
  • All of the necessary installation gaskets and hardware are included!

Note: Our 034Motorsport Oxygen Sensor Spacer is sold separately (see related products), and is recommended to eliminate the MIL or CEL if you do not have Stage 2 software that defeats the MIL or CEL when removing the stock catalytic converter.

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Product Specifications

Additional Information

SKU 000539
Manufacturer PN 034-105-4021
Manufacturer 034Motorsport
Category Engine, Exhaust
Subcategory Catalytic Converters
Application Guide
  • Audi A4 B5 1.8T
  • Audi A4 B6 1.8T
  • VW Passat B5 1.8T
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