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RCI Catalytic Guard | 03-Present 4Runner

Starting at: $125.00

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Protect your 4Runner from costly theft and underbody damage with an RCI Metalworks Catalytic Guard Kit. This part provides full catalytic converter coverage and fills the gap between the vehicle frame and transmission skid plate for a seamless theft prevention solution.

Catalytic Guard Retrofit Guide for RCI Transmission Skid Plates

*Requires RCI Transmission Skid Plate for installation

Underbody damage is costly. Protect your investment with the high-quality transmission skid plate and catalytic guards by RCI Metalworks. Ties in seamlessly with RCI front and transfer-case skid plates and is compatible with the Toyota TRD PRO engine skid plate.

Built with CNC laser cut 1/4″ aluminum, this plate is custom fit to protect the catalytic converters of all 2003 to present 4Runner FJ Cruiser and GX models with premium quality, fit, and finish.


  • Protects exposed catalytic converters from on and off-road debris
  • Excellent addition to the RCI Transmission skid to aid in preventing catalytic converter thefts
  • Vented design for adequate airflow and heat dissipation
  • Smooth, flat surface that easily slides over obstacles
  • Installs in minutes
  • All hardware and installation instructions provided
  • Direct bolt-on addition to RCI Transmission skid, drilling may be required on transmission skid plates purchased prior to catalytic guards being offered
  • Designed around the most current RCI transmission skid plate with 2in double bent side flange.

  • Model: T4R-03-CATGUARD
  • Manufactured by: RCI Off-Road

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