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BIG MOUTH STEP BOXES

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An Iconic Innovation

Big Mouth Step Box Features

After identifying key design flaws with traditional step boxes, we completely reimagined them. Introducing the original 'Big Mouth' step box. A design you’ll recognize, without the headaches.

01
Faster & Easier Equipment Storage

A 50% larger opening with stay open lid design makes storing and accessing your equipment faster and easier than ever.

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02
Simpler, Safer Deck Access

Accessing your truck deck is easier and safer with the Big Mouth's no-slip step tread. It looks OEM and is easy on your boots, too.

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03
Sizes & Finishes to Fit Your Truck

Available in 7 standard widths and two standard finishes, there's a Big Mouth Step Box to fit every truck and storage need.

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I got two 36” big mouth and love them, this place is really easy to deal with 👍🏻

- Paulo

I run two of these along with one of your headache rack and tank combos and the quality is fantastic. Customer service is top notch as well.

- David

Our truck has those on it. Unbelievable what you can carry.

- John

I have two on my truck. I love them…

- Jason

I love mine .. have them in the Pete and the Star Car .. awesome product !

- Lavonne

I’ve got 2 of them and wouldn’t buy anything else!!

- Mike

We just installed one on our Mack and love it.

- Brian

By far the best and only brand to consider for boxes and headache racks. Top notch quality.

- Clayton

5-year limited warranty 30-day returns

Big Mouth Step Boxes

Get a FAST quote on a Big Mouth Step box today!

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FREQUENTLY ASKED QUESTIONS

Big Mouth Step Boxes are to be mounted with Iconic’s 24” Steel L-Mounting Bracket Set (PN 1900). The brackets include a variety of pre-drilled holes, and the brackets come powder coated in a black finish.

Yes. Iconic offers Big Mouth Step Boxes, both with a smooth or checkerplate lid, in the following widths: 12”, 16”, 18”, 22”, 24”, 30”, and 36”. Custom sizing can be requested but will have a lead time. We stock many different standard sizes.

No. The Big Mouth Step Box is manufactured in such a way that no bracket or shock is required to hold the door open. The door is manufactured to sit open on its own while still being able to clear a deck plate or frame rail.