Westin EXP Truck Cap Review: 2015-2026 Ford F-150 SuperCrew

A Westin EXP Truck Cap is one of the fastest ways to transform a 2015-2026 Ford F-150 SuperCrew from an open-bed hauler into a secure, weatherproof adventure platform. Cab-high truck caps used to mean a trip to a custom fiberglass shop and a four-figure bill that climbed fast. The EXP flips that script: a 5-piece extruded aluminum cap, custom-fit to the F-150's 5.5-foot bed, that bolts on at home with hand tools and no drilling. At NLP Performance in Tampa, FL, the F-150 EXP cap is one of the most-viewed truck accessories we stock — so we pulled the specs, the owner feedback, and the install reality into one honest review.

What Is the Westin EXP Truck Cap?

The Westin EXP Truck Cap is a cab-high hard truck cap — also called an aluminum camper shell, truck topper, or bed cap — built from a 5-piece extruded aluminum frame. Unlike a low-profile tonneau cover that sits flush with your bed rails, a cab-high cap fully encloses the F-150 bed, creating a sealed, lockable space roughly as tall as the cab roof. That extra vertical room is what makes it a favorite for overlanding, camping, dog and gear hauling, and work-truck security.

Westin builds the EXP with a textured matte-black powder coat for corrosion resistance, gullwing side doors with locking T-handles, an auto lock/unlock rear door, and integrated roof rails that accept popular crossbar systems. The aluminum construction keeps weight low compared to a one-piece fiberglass shell, and the whole cap can be removed in about 15 minutes when you need full open-bed access. In short: it is a hard truck cap that behaves like a permanent upgrade but installs and removes like an accessory.

Westin EXP Truck Cap: F-150 Fitment and What You Get

This application is engineered specifically for the 2015-2026 Ford F-150 SuperCrew (CrewCab) with the 5.5-foot bed — and yes, that includes the F-150 Lightning and the Raptor. Westin uses custom brackets that tie into the bed's factory stake-pocket and hook bolt holes, so the cap clamps to engineered mounting points rather than relying on a generic universal bracket. That is a real fitment difference, and it shows up in panel gaps and door alignment.

Fitment is bed- and cab-specific. The EXP cap below is for the 5.5ft bed; if your F-150 has the 6.5ft bed, Westin makes a separate 6.5ft bed EXP Truck Cap instead. Confirm your bed length before ordering — a cap will not stretch to fit.

The Two-Box System: Box 1 vs Box 2 Explained

Here is the single most important thing to understand before you buy — and the detail competitor articles routinely skip. The Westin EXP Truck Cap ships as a two-box system because a fully assembled cab-high cap is too large and heavy to ship in one carton. To put a complete cap on your F-150, you need both boxes:

• Box 1 — EXP Truck Cap Top ($1,287.99): the upper aluminum shell section that forms the roof and the bulk of the structure.
• Box 2 — EXP Truck Cap Sides & Hardware ($2,736.99): the side panels with the gullwing doors, the locking T-handles, and the mounting hardware that completes the cap.

Add them together and a complete EXP cap for the F-150 SuperCrew lands around $4,025. That is a real number, and we would rather you see it up front than be surprised at checkout. The good news: a complete EXP kit is priced competitively against premium fiberglass caps from LEER and SnugTop, which routinely run $4,000 or more for an F-150 — and you get a custom-fit aluminum cap with roof rails and a 3-year warranty for it. Order the EXP Truck Cap Sides & Hardware (Box 2) alongside the top so your cap arrives complete.

Build Quality, Doors, and Weather Sealing

The EXP earns its keep on the details. The frame is 5-piece extruded aluminum — strong, but far lighter than the one-piece fiberglass shells it competes with. Westin finishes it in a textured matte-black powder coat that hides scratches and shrugs off corrosion, which matters in a salt-air state like Florida. Inside, an integrated T-slot extrusion lets you bolt up organizers, lights, and gear mounts without drilling the panels.

Access is genuinely good. Each side gets a double-wall aluminum gullwing door with a heavy-duty locking T-handle, so you can grab gear from the curb without dropping the tailgate. The rear features an auto lock/unlock door for quick bed access, and interior emergency-release levers are a safety touch worth calling out. An EPDM sponge double seal runs the door and perimeter lines — owners report it stays dry and dust-free even in heavy weather.

Left: textured powder-coat finish. Right: the gullwing side door opens for easy curbside gear access.

One honest note: like every cab-high cap, the EXP darkens the cab interior and makes the rear-view mirror less useful — you will lean more on your side mirrors and camera. A few owners have also reported an occasional sticky T-handle latch, easily solved with a shot of lubricant. Westin manufactures the EXP overseas and public review counts are still modest, so go in with realistic expectations — but the fit, finish, and sealing consistently land on the positive side of owner feedback.

Roof Rails, Load Ratings, and Overlanding Setup

This is where the EXP gets fun for F-150 adventure builds. The cap ships with integrated roof rails that accept Yakima, Thule, and Front Runner crossbar systems (crossbars sold separately). That means a rooftop tent, cargo basket, kayak, or traction-board mount is a bolt-on project — no fabrication required.

The numbers to remember: a 700 lb static load rating while parked and a 300 lb dynamic load rating while driving. Most hard-shell rooftop tents for two people sit comfortably inside those limits, so the EXP makes a legitimate base for a sleep-on-top overland F-150. Just do the math on your tent plus crossbars plus occupants and stay within the dynamic figure on the road.

Want to finish the look and add usable light to the enclosed bed at night? Westin offers a clip-in EXP Truck Cap LED Strip that fits the F-150 cap — a cheap, high-value add for campers and work-truck owners.

Truck Cap vs Tonneau Cover: Which Is Right for Your F-150?

This is the question we field most often in the Tampa shop. A truck cap and a tonneau cover solve different problems. A cab-high cap like the EXP fully encloses the bed, giving you a tall, weatherproof, lockable room. A tonneau cover — whether soft tri-fold or hard tri-fold — only covers the bed at rail height and keeps the classic open-truck silhouette. Here is the head-to-head:

Bottom line: choose the EXP cap if you camp, overland, haul tall gear or dogs, or need a secure mobile lockbox. Choose a tonneau if you mostly want a low-profile, removable cover and the open-truck look. NLP Performance stocks both — browse our full range of F-150 bed accessories to compare.

Installation: Can You Install It Yourself?

Yes — and that is a big part of the EXP's appeal. Installation is a no-drill, bolt-on job. The F-150 brackets clamp into the bed's factory bolt holes, so there is no cutting, no drilling, and nothing permanent done to your truck. Westin lists install time at roughly one hour, with intermediate difficulty, and full removal at about 15 minutes.

The one logistics catch is weight. Each box ships at roughly 155 lbs, and the assembled cap has to be lifted up and onto the bed. Treat this as a two-person job — grab a friend, use basic hand tools, and you will have it done in an afternoon. After the first few drives, recheck bracket torque and door alignment, and hit the T-handle latches with a little lubricant as part of routine care.

Westin EXP Truck Cap: Pros and Cons