Product Details
Chassis Unlimited Octane Truck Back Bumper for GMC Sierra 2500/3500 (2020–2025) CUB910571RAW – Raw Steel Strength Built for Real Work
When your Sierra does more than just commute, the Octane bumper gives you a rear-end upgrade that’s ready for real-world abuse. Built from raw 3/16-inch steel, this bumper is made for folks who want full control over their final finish, whether that’s paint, powder coat, or a custom setup of their own. Designed specifically for the 2020–2025 GMC Sierra 2500 and 3500, this rear end bumper keeps a tight, low-profile stance while adding strength where it matters most. It bolts on clean, lines up right, and looks just as good on a work truck as it does on a weekend rig.
Reinforce Your Sierra with Octane Bumper Strength!
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Built Strong Without the Bulk – The updated 3-piece construction boosts strength while keeping the same clean profile drivers already trust.
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Ready for Night Work – Recessed mounts let you add rear-facing LED cube lights for backing up in low light or tight job sites.
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Easy Access from Any Angle – Integrated corner steps and a center step make climbing in or out of the bed simple, even when the tailgate’s down.
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Recovery-Ready Confidence – Thick CNC-machined recovery points are there when you need them, whether you’re pulling, towing, or lending a hand.
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Finish It Your Way – Raw steel construction lets you customize the look and protection to match how your truck gets used.
Why Choose the Chassis Unlimited Octane Truck Rear Bumper – Back Bumper Built to Be Used?
This truck back bumper isn’t about flash, it’s about function, strength, and fit. The Octane Series delivers a solid rear upgrade that holds up to worksite abuse while keeping your Sierra looking sharp and purpose-built.
If you’re browsing rear bumpers for sale and want something that’s tough, customizable, and made in the USA, this Octane bumper checks every box. Bolt it on, finish it your way, and put your truck’s rear end to work the way it was meant to be. Shop with us now!
Offroad Bumper Tips
Always do your homework before you buy a bumper! Below you can find everything you need to know about bumpers’ weight, thickness, selection, and more. To help your decision, we’ve compiled a full list of all the bumpers we carry. Compare them by look, function, and price.
Everyone wants to know about the weight of steel bumpers and we’re here to help you out. In this blog, you can find every answer to any question you could have about it.
What’s the right thickness for a bumper? Find out with our guide to bumper thickness.
