If you own a Chevy Silverado 1500, you already know it’s one of the best half-ton trucks on the market for daily driving, highway cruising, and handling light-to-medium work. But if we are being completely honest with ourselves as truck owners, the factory suspension has a glaring weak spot: heavy towing and hauling.
Because Chevy tuned the Silverado 1500’s rear leaf springs to provide a smooth, car-like ride when empty, the rear end is notoriously soft under a heavy load. For owners looking to improve load support, Chevy Silverado air suspension kits offer an adjustable way to help reduce rear-end sag while towing and hauling.
Last weekend, I hooked up my 26-foot travel trailer for a family camping trip. The moment the tongue weight hit the hitch, my Silverado suffered from the dreaded "squat." The rear plummeted about three inches, the front end pointed toward the sky, and during the drive, the steering felt floaty while every highway bump sent a shudder through the chassis.
I knew I needed a suspension upgrade, but I didn't want to stiffen the ride permanently with helper springs, and I definitely didn't want to drill into my truck's frame.
That’s when I decided to install the RETRUE 5,000 lbs Air Suspension Kit. It’s a completely bolt-on, no-drill air suspension system designed to level the truck under load without sacrificing daily comfort. Here is my honest review and step-by-step DIY installation experience.
Why I Chose RETRUE Over Traditional Brands
When shopping for air bags, most truck owners immediately think of the legacy brands that cost a fortune. However, after spending hours on truck forums and reading community reviews, RETRUE kept popping up as a high-quality, smart alternative. I also compared the available air suspension kits for trucks to find a solution that balanced load capacity, adjustability, and installation requirements.
Three things sold me on RETRUE:
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True 5,000 lbs Capacity: Plenty of supplemental suspension support for towing and hauling, without exceeding the truck's rated payload or axle capacity.
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No-Drill Design: The kit uses compatible factory mounting points on the Silverado’s frame and axle, avoiding unnecessary drilling or permanent modifications.
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Incredible Value: You get heavy-duty engineering, rugged mounting brackets, and commercial-grade air springs without paying a premium for a legacy brand name.
If you own an earlier-generation Silverado, the correct fitment matters just as much as load capacity. The RETRUE RAS2430 air suspension kit for 2007–2018 Silverado and Sierra 1500 trucks is another option for compatible older models. Always check the model year, trim, and suspension configuration before ordering.
The DIY Installation: A Smooth, No-Drill Experience
I tackled the installation right in my driveway with a standard socket set, a floor jack, and jack stands. Because RETRUE engineered this kit specifically for the Silverado 1500 chassis, you don’t have to modify a single factory component when the vehicle is compatible with the kit.
Step 1: Prep and Safety
I chocked the front wheels, jacked up the rear frame of the truck until the wheels were slightly off the ground, and supported it safely with heavy-duty jack stands. I then removed the rear wheels to give myself plenty of room to work.
Step 2: Remove Factory Bump Stops
The factory foam jounce bumpers are held in by a single bolt. I unscrewed them on both sides—the RETRUE brackets will mount right into these exact locations.
Step 3: Assemble the Air Springs
On my workbench, I attached the upper mounting brackets and the lower brackets to the air bags using the provided hardware. The brackets felt impressively heavy and rugged, featuring a clean, corrosion-resistant finish.
Step 4: Bolt to the Frame and Axle
Because it’s a bolt-on design, the upper bracket aligned with the factory bump stop mounting points on the frame. I used the included bolts to secure it. The lower bracket sits over the axle housing, secured with the supplied U-bolts. No drilling, no welding, no stress.
Step 5: Route the Air Lines
I ran the 1/4-inch air lines from each bag to the rear bumper, mounting the inflation valves next to the license plate for easy access.
Pro-Tip for DIYers: When routing your air lines, make sure to stay far away from the exhaust pipe and any sharp moving suspension parts. Use suitable fasteners to keep the lines securely positioned along the frame, with enough clearance for suspension movement.
From start to finish, it took me just under two hours. The hardware alignment was straightforward, which made the installation process easier.
Real-World Performance: The Before and After
To test the system, I hooked up my travel trailer again and put the RETRUE kit through its paces.
The Loaded Test (55 PSI)
I inflated the bags to 55 PSI using a portable compressor. The transformation was noticeable. The rear end of the Silverado lifted closer to its original ride height, helping the truck sit more level under load.
On the highway, the difference was clear. The floaty, disconnected feeling in the steering wheel was reduced as the front tires maintained better contact with the road. When large semi-trucks passed me, the lateral body sway felt less pronounced. The truck felt more planted, predictable, and controlled.
The Daily Commute Test (5–10 PSI)
The biggest worry most truck owners have is: "Will air bags ruin my ride when the truck is empty?"
The answer depends on the kit, installation, and pressure setting. When I unhitched the trailer, I reduced the air pressure to the recommended unloaded setting, maintaining at least the manufacturer's specified minimum pressure. Driving to get coffee the next morning, the truck remained comfortable without the permanently stiff feel associated with some fixed-rate suspension upgrades.
Final Verdict: Is the RETRUE Kit Worth It?
If you use your Chevy Silverado 1500 for towing campers, hauling boats, or loading up the bed with heavy cargo, the RETRUE 5,000 lbs Air Suspension Kit is worth considering. Its adjustable air pressure provides supplemental rear suspension support, helps reduce squat, and allows you to adapt the setup to changing loads.
When correctly matched to your truck and installed according to the manufacturer's instructions, an air suspension kit can help maintain ride height and improve towing control. The bolt-on design also makes a DIY installation possible for owners with suitable tools and mechanical experience.
What About You, Fellow Truck Owners?
Have you experienced rear-end sag while towing with your Silverado? Are you considering upgrading your suspension? Let’s talk in the comments below!
