2020-2025
2015-2019
2007-2014
2001-2006
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
No guide available for this part yet.
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FS Performance Engineering Catalytic Converter Guard (20-25 6.6L Gas Silverado 3500 HD)Find parts that fit my vehicle
Item SHS25578
Silverado 3500 Sales Tech
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M-F 8:30A-11P, Sat-Sun 8:30A-9P
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6 Reviews
Our Price
$499.00 each
Ship to: 43215
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Catalytic Converter Guard/Shield
- Protects Catalytic Converter from Theft
- Integrated Heat Extraction Vents
- CNC-Cut for Precise Fit
- Premium-Grade 5052 Aluminum
- Left and Right Plates at 3/16-Inch Thick
- Powder-Coated Semi-Gloss Black Finish
- Drilling Required to Install
- Use Anti-Theft Special Bolts
- Mounting Hardware and Instructions Included
- Fits 2020-2025 6.6L Gas Chevrolet Silverado 3500 HD Models
Description
Anti-Theft Upgrade. Protect your investment and get the ultimate peace of mind with the Performance Engineering Catalytic Converter Guard. You no longer have to fear your catalytic converter being stolen with this high-quality shield. This Catalytic Converter Guard is equipped with integrated heat extraction vents, which allow for efficient airflow and keep your catalytic converter running smoothly. The semi-gloss black powder-coated finish of this shield gives this guard a sleek and professional look, complementing the style of your truck.
Heavy-Duty Protection. Crafted with premium-grade 5052 aluminum, this CNC-cut Catalytic Converter Guard offers a precise fit for your Silverado 3500 HD. The left and right plates are 3/16-inch thick, providing unbeatable protection against potential thieves. Plus, the package comes with all the necessary mounting hardware and instructions, making installation a breeze. Please note that drilling is required to install the guard, and we recommend using anti-theft special bolts for added security.
Installation. Putting this Catalytic Converter Guard/Shield on your ride is an easy straightforward process and requires no drilling.
Application. This Performance Engineering Catalytic Converter Guard fits all 2020-2025 6.6L Gas Chevrolet Silverado 3500 HD models.
FS Performance Engineering FSPE4-2500-2
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Left Cat Guard
- (1) Right Cat Guard
- (2) Interior Bolt-on Shields (Left and Right)
- (1) Right Rear L Shield
- (1) Right Rear Shield with Pipe Cut Out
- Installation Hardware
- Installation Instruction
4.7
Customer Reviews (6)
Jun 4, 2024
Review shared from FS Performance Engineering Catalytic Converter Guard (14-18 V8 Silverado 1500)
2014 High Country - Efficient
Installation Time: Afternoon
Catalytic Converter Guard
With the increase of Catalytic Converter thefts, I was looking for a quality cover. This product fit all of my requirements. Easy to install, and allows for oil changes without removing the cover. Heavy steel components. I would recommend this product for peace of mind.
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Feb 23, 2024
Review shared from FS Performance Engineering Catalytic Converter Guard (15-25 F-150, Excluding PowerBoost & PowerStroke)
Lawdog
Installation Time: Afternoon
Great shield
This is a well made product that fits well on my 2020 F-150.
Fit 4/5
Quality 5/5
Bang For Your Buck 4/5
Nov 13, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (15-25 F-150, Excluding PowerBoost & PowerStroke)
2023 Platinum - Mspenc45
Installation Time: Less than 1 Hour
Lightweight quality
This guard is aluminum, so it's lightweight. Bends in the right places make it solid and strong.
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Oct 31, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 3.0L Duramax Silverado 1500)
2023 LT - Undefeated
Installation Time: Afternoon
Cat guard for Duramax
One of the best items I bought for my truck. This will definitely bring you peace of mind. I saw someone on my blink camera look under my truck, then walk away cursing.
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Aug 19, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 V8 Silverado 1500)
2022 LTZ - BillyNol
Installation Time: Afternoon
FSPE Cat Guard
Pretty easy install. 2 people would have helped, but went ok with just me. Rivet nut diy hack video from spyderindustries.com worked like a charm.
Fit 5/5
Quality 5/5
Bang For Your Buck 4/5
Mar 19, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 V8 Silverado 1500)
2021 Custom Trail Boss - 91A
Installation Time: Shop Install
Solid guard
Solid piece that won’t come off from thieves! Cat is fully guarded. Highly recommend to prevent theft.
Fit 5/5
Quality 5/5
Bang For Your Buck 4/5
Reviews of FS Performance Engineering Exhaust products have an average rating of 4.7 out of 5
Jun 4, 2024
Review shared from FS Performance Engineering Catalytic Converter Guard (14-18 V8 Silverado 1500)
2014 High Country - Efficient
Catalytic Converter Guard
With the increase of Catalytic Converter thefts, I was looking for a quality cover. This product fit all of my requirements. Easy to install, and allows for oil changes without removing the cover. Heavy steel components. I would recommend this product for peace of mind.
Feb 23, 2024
Review shared from FS Performance Engineering Catalytic Converter Guard (15-25 F-150, Excluding PowerBoost & PowerStroke)
Lawdog
Great shield
This is a well made product that fits well on my 2020 F-150.
Nov 13, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (15-25 F-150, Excluding PowerBoost & PowerStroke)
2023 Platinum - Mspenc45
Lightweight quality
This guard is aluminum, so it's lightweight. Bends in the right places make it solid and strong.
Oct 31, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 3.0L Duramax Silverado 1500)
2023 LT - Undefeated
Cat guard for Duramax
One of the best items I bought for my truck. This will definitely bring you peace of mind. I saw someone on my blink camera look under my truck, then walk away cursing.
Aug 19, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 V8 Silverado 1500)
2022 LTZ - BillyNol
FSPE Cat Guard
Pretty easy install. 2 people would have helped, but went ok with just me. Rivet nut diy hack video from spyderindustries.com worked like a charm.
Mar 19, 2023
Review shared from FS Performance Engineering Catalytic Converter Guard (19-25 V8 Silverado 1500)
2021 Custom Trail Boss - 91A
Solid guard
Solid piece that won’t come off from thieves! Cat is fully guarded. Highly recommend to prevent theft.
Questions & Answers
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Will It Fit My Silverado 3500
- 6.6L V8 - 20, 21, 22, 23, 24, 25
