2015-2018 GMC Sierra catalytic converter shield made of marine-grade aluminum with ventilation louvers and security bolts installed under the truck.

ADD AUTOMOTIVE/ ADD A CAT

2015-2018 GMC Sierra 1500 Catalytic Converter Shield/ ADD A CAT

$460.00
Quantity:

00010-C2D023

Factory- Direct Installation at No Extra Cost

*Purchase an ADD A CAT Shield and receive FREE installation from the team that designed and built it*

 INSTALLS ARE DONE IN THE HOUSTON AREA ONLY. APPOINTMENT REQUIRED

FREE Shipping Nationwide on All Orders

*ADD AUTOMOTIVE/ ADD A CAT SHIELDS-ARE PATENTED AND TRADEMARKED*

Product Name: ADD A CAT GMC Sierra 1500 Catalytic Converter Shield

Brand:  ADD A CAT by ADD Automotive

Product Type: Catalytic Converter Shield

 

MATERIALS:

  • *3/32-5052 Marine Grade Aluminum
  • *Louvers for Optimum Ventilation
  • *Proprietary Security Bolts with Security Bit in EVERY Hardware Kit - for GUARANTEED Protection
  • *Designed and manufactured to work with existing OEM vehicle accessories
  • *Corrosion-Resistant aluminum construction
  • *Designed to withstand heat, road debris, moisture, and harsh weather conditions
  • *Completely Bolts on - No Drilling Required
  • *Precision water-jet cut
  • *Installation - 20 Minutes

 

DIMENSIONS:

  • *Vehicle-specific precision fit
  • *3/32 aluminum thickness
  • *One-piece shield design
  • *Engineered to maintain factory ground clearance
  • *Designed to work with existing OEM exhaust components
  • *Arrives in a 46 x 4 x 31 box

 

FEATURES:

  • *Patented ADD A CAT Design
  • *Trademarked ADD A CAT brand
  • *One-piece construction for maximum protection
  • *Complete bolt-on installation
  • *no drilling required
  • *Installation - 20 Minutes
  • *ADD A CAT Proprietary Security Bolts and Bit Included
  • *Designed around OEM vehicle components
  • *Ventilation louvers help maintain proper air flow
  • *Free professional installation available in the Houston, Texas are with shield purchase

 

USE CASES:

Ideal for owners who:

  • Park overnight outside
  • Park in apartment complexes
  • Park at schools or universities
  • Commute daily
  • Leave vehicles at the airports
  • Park at shopping centers
  • Own fleet vehicles
  • Want additional theft protection
  • Live in areas with catalytic converter theft\
  • Want long term vehicle protection without altering the vehicle

 

WHAT'S INCLUDED:

Every ADD A CAT kit includes:

  • (1) Catalytic Converter Shield
  • Complete ADD A CAT Proprietary Hardware with Security Bit
  • Installation constructions are available at ADDAutomotive.com for download or printing

 

CARE & MAINTENACE:

The ADD A CAT shield is designed for minimal maintenance.

Recommended Care Includes:

  • Inspect mounting hardware during routine vehicle maintenance
  • Verify security bolts remain properly tightened after major service
  • Rinse with water to remove mud, road salt, or heavy debris
  • Use only genuine ADD A CAT replacement security hardware if replacement components are needed

 

GMC SIERRA VEHICLE FITMENT: 

  • 2015 GMC Sierra 1500 2wd and 4wd
  • 2016 GMC Sierra 1500 2wd and 4wd
  • 2017 GMC Sierra 1500 2wd and 4wd
  • 2018 GMC Sierra 1500 2wd and 4wd

One-Piece Design. Open the box. Install. Protect. The ADD A CAT Difference.

 

 

Description

Protect the catalytic converter on your 2015-2018 GMC Sierra 1500 with a custom-fit anti-theft shield and skid plate from ADD Automotive. Built from raw 3/32 in. 5052 marine-grade aluminum in a silver finish, this underbody plate helps deter cutting and removal attempts while resisting corrosion. Features include stamped ventilation louvers for heat dissipation, an oil service opening, a rear relief cut for debris wash-out, an additional center mounting location, and proprietary security bolts with hardware. Net weight with hardware: 18 lb. Ideal for catalytic theft protection and underbody coverage on GMC Sierra trucks. Note: may conflict with most suspension lift kits.

Frequently Asked Questions

How does the GMC Sierra Catalytic Converter Shield enhance theft protection?
The GMC Sierra Catalytic Converter Shield is designed with a custom-fit anti-theft shield and skid plate that deter cutting and removal attempts, helping to protect your vehicle's catalytic converter from theft.
What materials is the catalytic converter shield made of, and how resistant is it to corrosion?
The shield is constructed from raw 3/32 inch thick 5052 marine-grade aluminum, which offers excellent corrosion resistance and durability, especially in harsh environments.
Are there any special features that improve heat dissipation and maintenance access?
Yes, the shield includes stamped ventilation louvers for heat dissipation and an oil service opening, making maintenance easier while keeping temperatures in check.
Will this catalytic converter shield fit my GMC Sierra if I have a suspension lift kit?
The shield may conflict with most suspension lift kits, so it's recommended to verify compatibility with your specific lift setup before purchasing.
What additional benefits does the GMC Sierra Catalytic Converter Shield offer besides theft protection?
Besides theft deterrence, the shield provides underbody coverage, featuring a rear relief cut for debris wash-out and an additional central mounting point for secure installation.