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URD Rear O2 Simulator, 1GR-FE 4.0L V6 Dual Channel


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This URD Rear O2 Sim has been redesigned. It is now a full Plug-N-Play design and takes under a minute to install.

Note- does not fit the 2010+ FJ Cruiser or 2010+ 4Runner V6. You can purchase this item at a significant discount when purchased with a set of LONG TUBE headers from URD.

This unit fits all Toyota vehicles that use the 1GR-FE 4.0L V6 Engine to include the FJ Cruiser, 4Runner, Tacoma, LandCruiser, Tundra, Prado, and Hilux.

Many people using their Toyota trucks in sanctioned off-road racing or rally events install an aftermarket headers, high flow catalytic converter for added performance. Some of these aftermarket high flow units seem to flow like there is no catalytic converter at all. These high flow cats or (off road) lack of a cat may cause that annoying check engine light to activate.

This product may not be legal for us on pollution controlled vehicles operated on public roads and is intended for off-road use only.

6x6x6, 1lb

  • Model: URD-REAR-02-SIM
  • Manufactured by: Underdog Racing Development

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