2020-2025
2015-2019
2007-2014
2001-2006
Installation Time
(approx) 45 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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FOX Performance Series 2.5 IFP HTO Rear Shock for 0 to 1-Inch Lift (20-25 Sierra 2500 HD)Find parts that fit my vehicle
Item HG41597
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104 Reviews
Our Price
$362.95 each
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- FOX Performance Series 2.5 IFP HTO Shock
- For Vehicles with 0 to 1 Inch of Lift
- Rear Model
- Polished Chrome and Glossy Black Finish
- Uses Position-Sensitive Technology
- Vehicle-Specific Valving
- Crafted with a Type II Anodized Aluminum Body for Increased Heat Dissipation
- Bolt-On
- Direct Replacement
- Comes in Singles
- Engineered for all 2020-2025 GMC Sierra 2500 HD Models
| Brand | FOX |
| Shock Type | Non-Adjustable |
| Shock Lift Height | 0 to 1-Inch Lift |
Description
Advanced Rear Shock for Improved Stability and Comfort. The FOX Performance Series 2.5 IFP HTO Shock is engineered to enhance the ride quality and stability of your GMC Sierra 2500 HD model. Designed for off-road and on-road conditions, this shock provides superior damping control, ensuring a smooth and controlled ride.
Construction and Appearance. Built with a Type II anodized aluminum body, this shock offers excellent heat dissipation, allowing for long-lasting performance in demanding conditions. The polished chrome and glossy black finish give it a premium look, while the position-sensitive technology and vehicle-specific valving provide optimized performance tailored to your GMC Sierra 2500 HD's needs.
Installation. This FOX shock is a direct bolt-on replacement for the rear suspension of compatible GMC Sierra 2500 HD models, fitting seamlessly without modifications. The easy installation makes it a convenient upgrade that enhances handling and comfort for both everyday driving and rugged terrain.
Application. The FOX Performance Series 2.5 IFP HTO Shock fits all 2020-2025 GMC Sierra 2500 HD Models, designed specifically for vehicles with 0 to 1 inches of lift. Ideal for GMC Sierra 2500 HD owners seeking enhanced stability and ride quality, this shock fits securely and offers dependable performance across diverse driving conditions.
Fitment:
- 2020 GMC Sierra 2500
- 2021 GMC Sierra 2500
- 2022 GMC Sierra 2500
- 2023 GMC Sierra 2500
- 2024 GMC Sierra 2500
- 2025 GMC Sierra 2500
FOX 987-24-009
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) Shock
4.8
Customer Reviews (104)
Review Summary
Jun 3, 2024
Review shared from FOX Performance Series 2.0 Rear Reservoir Shock for 1.50 to 3-Inch Lift (20-25 Sierra 2500 HD)
2024 - Bohdib205
Installation Time: Less than 1 Hour
Fox 2.0 rear shock
Love this shock and very happy with the Quality of how they r made . Easy to install and I recommend them .
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Jun 3, 2024
Review shared from FOX Performance Series 2.0 Front Reservoir Shock for 1.50 to 2.50-Inch Lift (20-25 Sierra 2500 HD)
2024 - Bohdib205
Installation Time: Less than 1 Hour
Fox 2.0
Love this shock and easy to install and u don’t have to take the tire off to put them on and they made a big difference in the look and ride of the truck.
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Mar 14, 2025
Review shared from FOX Performance Series 2.0 Rear IFP Shock for 0 to 1-Inch Lift (99-06 2WD Silverado 1500; 07-18 Silverado 1500)
2015 LT - AaronH
Great product.
Easy install Installed universal boot covers so shock shaft doesn't get rusted.
Handling 4/5
Fit 4/5
Quality 4/5
Bang For Your Buck 4/5
Mar 13, 2025
Review shared from FOX Performance Series 2.0 Rear IFP Shock for 4 to 6-Inch Lift (07-18 Sierra 1500)
2014 SLE -
Installation Time: Less than 1 Hour
Love these shocks
With just fox shocks on the rear, my truck already rides smoother than my fiancées jeep. I cannot wait to get fox on the front suspension now!!
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Feb 16, 2025
Review shared from FOX Performance Series 2.0 Front IFP Shock for 2 to 3.50-Inch Lift (17-25 4WD F-250 Super Duty)
2023 XL - MJFAR
Installation Time: Less than 1 Hour
Fox 2.0
The truck rides like a half ton. I will always do shocks as the first upgrade on my next Super Duty’s. They improve the appearance of the truck as well!
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Jan 3, 2025
Review shared from FOX Performance Series 2.0 Rear IFP Shock for 0 to 1-Inch Lift (17-25 4WD F-350 Super Duty)
2019 Lariat - Jcoyne
Installation Time: Less than 1 Hour
FOX shocks on my 2019 Super Duty
These things are a must for the Super Duty trucks! Improved the rear end ride and it feels like its a more planted truck. Easy install, did it with my 5 and 2 year old in about a half hour!
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Dec 30, 2024
Review shared from FOX Performance Series 2.0 Front IFP Shock for 5.50 to 7-Inch Lift (11-16 4WD F-350 Super Duty)
2016 Lariat - Texas44
Installation Time: Shop Install
Best ride yet
New shocks were installed along with new tires and a new BDS lift. Hard to tell which component should get credit for the improved ride but I've gone from a stiff ride, reminiscent of a Wells Fargo stagecoach, to a comfortable and responsive ride that handles like I've always wanted but never did. Odds of chipping a tooth when hitting a pothole have gone down considerably.
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Dec 27, 2024
Review shared from FOX Performance Series 2.0 Rear Reservoir Shock for 1.50 to 3.50-Inch Lift (07-19 Silverado 2500 HD)
2018 LTZ - Robert2500HD
Installation Time: Less than 1 Hour
Fox Shocks
Smooth ride. great fit. easy to install. Looks sharp
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Oct 8, 2024
Review shared from FOX Performance Series 2.5 IFP HTO Front Shock for 0 to 1.50-Inch Lift (14-24 4WD RAM 2500)
2017 Tradesman - Jspikesak
Installation Time: Less than 1 Hour
2017 Ram 2500 Fox 2.5 HTO Fronts
It was night and day took about 10 min to install these shocks, longest part was finding all my tools for the job and getting the stock shock top nut off. Put shocks on quickly and went for test drive it was buttery smooth and noticeable difference in ride, will order rear 2.5 hto now.
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Oct 1, 2024
Review shared from FOX Performance Series 2.0 Rear IFP Shock for 4 to 6-Inch Lift (04-08 4WD F-150; 09-25 F-150, Excluding Raptor)
2014 FX4 - Sluk
Installation Time: Less than 1 Hour
Fox shock
Great product, replaced my old fox one’s. Came in a timely manner. Easy install.
Handling 5/5
Fit 5/5
Quality 5/5
Bang For Your Buck 5/5
Questions & Answers
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