2020 Jeep Wrangler Accessories: The Upgrades That Made My JL Feel Finished

Why a Headliner Kit Should Be Your First Upgrade

Here's the thing about the 2020 Jeep Wrangler JL: it's an incredible machine, but the interior isn't designed for comfort out of the box. The fiberglass hard top does nothing to block heat or reduce road noise. On a summer day, the cabin feels like a greenhouse. On the highway, wind noise and tire hum make conversations nearly impossible.

A JL 4-Door Premium Headliner Kit or JL 2-Door Premium Headliner Kit changes that immediately. Hothead Headliners is the only headliner on the market that features a radiant barrier built into the material — the same technology used in home insulation. In the summer, it blocks radiant heat from coming in through the roof. In the winter, it keeps heat inside the cabin where it belongs.

But the headliner isn't just about temperature control. The multi-layer construction absorbs road noise and wind noise, making highway drives noticeably quieter. You'll hear the difference at lower speeds around town, and you'll feel the reduced driving fatigue on long highway stretches. It's the single best comfort upgrade you can make to a JL Wrangler — and it installs in about an hour.

How the Radiant Barrier Works

The radiant barrier is what separates Hothead Headliners from every other headliner kit on the market. No competitors and no factory headliners offer this technology. It's a reflective layer embedded in the headliner material that blocks up to 97% of radiant heat transfer. When the sun beats down on your hard top, the radiant barrier reflects that heat back out instead of letting it radiate into the cabin.

In winter, the same barrier works in reverse — it keeps the heat from your heater inside the cabin instead of escaping through the roof. The result is a Jeep that stays cooler in summer, warmer in winter, and more comfortable year-round. You can read more about the science behind it on the radiant barrier technology page.

Sound Assassin: The Noise Reduction Upgrade That Goes Deeper

The headliner reduces road noise significantly, but if you want to take it even further — especially if you spend a lot of time on the highway or run aggressive tires — Sound Assassin is the next step.

Sound Assassin is a sound deadening material that absorbs vibration and blocks sound transmission through the floors, doors, and firewall. It's sold in floor packages (half floor and full floor), hard top packages, and individual sheets that you cut to size for your specific application. The top layer is a radiant barrier, so it doesn't just block noise — it also blocks heat transfer from the transmission and engine components beneath the floor.

The biggest prep work for Sound Assassin is removing the carpet — not the interior panels. You don't need to pull door panels unless you're specifically adding sound deadening to the doors (which is possible, but floors are the better starting point). Removing the seats and center console is optional, not required. Once the carpet is out, you cut the sheets to fit the floor pan, peel the backing, and press them into place.

The difference is most noticeable on long highway drives. Many JL owners report being able to hold normal conversations at 70 mph without raising their voice. The combination of the headliner's built-in noise reduction and Sound Assassin floor packages creates the quietest JL cabin possible.

Sunshades That Actually Block Heat (Not Just Glare)

The headliner blocks heat from above. A sunshade blocks direct sunlight from the front. Together, they're the ultimate heat-blocking combo for summer.

Hothead Headliners makes two JL sunshade variants: the standard JL sunshade for hard tops and soft tops, and the Sky One-Touch Power Top sunshade for JL 4-Door models equipped with the Sky One-Touch Power Top. The standard sunshade fits hard tops and soft tops. The Sky One-Touch sunshade is designed specifically for the power top and can stay installed while you open and close the top.

Installation takes about 15 minutes. Most owners leave the sunshade installed full-time — it doesn't interfere with the top, and removing it every time you want full sun isn't worth the hassle. If you have the Sky One-Touch Power Top, the sunshade stays in place while the top opens and closes, making it the most "set it and forget it" combo available.

The Mesh Trail Bag You'll Use More Than You Think

The Washable Mesh Trail Bag is one of those accessories that doesn't sound exciting until you actually use it — and then you wonder how you ever lived without it.

It attaches to the rear-mounted spare tire with bungees (not the roll bar — it's designed specifically for the spare tire mount). The mesh design lets mud and water drain out, and it's machine washable, so you can rinse it out after muddy weekends. It's great for recovery gear, camping supplies, beach towels, or collecting trash on the trail.

The mesh trail bag is durable enough to handle rough terrain and stays secure even on bumpy trails. It's made in the USA, just like every other Hothead Headliners product, and it's one of those small upgrades that makes every trip a little easier.

Installation Tips: What to Know Before You Start

One of the best things about these 2020 Jeep Wrangler accessories is that most owners install them themselves. You don't need a shop, and you don't need specialized tools. Here's what to know before you start.

Headliner Installation (JL Hard Top)

The JL hard top is made of fiberglass, and the headliner attaches using commercial-grade 3M VHB Tape. The process is straightforward:

• Lightly scuff the hard top surface with the included high-grit sandpaper
• Clean the surface with acetone (you'll need to supply this — it can't be shipped)
• Align the pre-cut headliner sections and press them into the recessed areas of the hard top with firm pressure

No drilling required. The entire installation takes about an hour. Hothead sends everything you need except the acetone. If you're installing in temperatures below 70°F, follow the Cold Weather Installation Instructions included with the kit.

Full step-by-step instructions are available on the install guide page.

Sound Assassin Installation

The biggest prep work for Sound Assassin is removing the carpet. You don't need to pull interior panels unless you're adding sound deadening to the doors specifically. Floors are the best application for Sound Assassin — that's where you'll notice the biggest drop in road noise, vibration, and transmission whine.

Once the carpet is out, you cut the sheets to fit the floor pan, peel the backing, and press them into place. Hothead recommends a Heavy Duty Roller (sold separately) for floor kits to ensure proper adhesion. For hard top packages, a complimentary seam roller is included.

Sunshade Installation

Sunshade installation takes about 15 minutes. The standard JL sunshade fits hard tops and soft tops. The Sky One-Touch sunshade is designed specifically for the Sky One-Touch Power Top and can stay installed while the top opens and closes.

Why Made in the USA Matters for Jeep Accessories

Every Hothead Headliners product — headliners, Sound Assassin packages, sunshades, and mesh trail bags — is manufactured in Idaho and ships fast from their facility in the USA. This isn't just a marketing line. It means better quality control, faster shipping, and support from people who actually know the products.

When you buy from Hothead Headliners, you're supporting American manufacturing and getting accessories built by people who understand what Jeep owners actually need. The radiant barrier technology, the pre-cut fitment, the installation hardware — all of it is designed and tested in-house.

You can browse the full collection of JL accessories at hotheadheadliners.com/collections/jeep-wrangler-jl.

Frequently Asked Questions