Anti-Theft

Do You Need a Catalytic Converter Guard for Your Toyota Sequoia? Complete Anti-Theft Protection Guide (2023-2024)

By Matthew DennehyAug 11, 2026 6 min read
Do You Need a Catalytic Converter Guard for Your Toyota Sequoia? Complete Anti-Theft Protection Guide (2023-2024)

You park your Toyota Sequoia in the driveway like you do every night. The next morning, you turn the key and instead of Toyota's usual quiet startup, you get a deafening roar. Somewhere between 2 and 4 AM, someone slid under your SUV with a battery-powered saw and walked away in under 90 seconds with a part that, by weight, contains metals worth more than gold.

This isn't a rare horror story. It's happening in driveways, apartment parking lots, and Costco parking garages across the country right now — and the Sequoia's high ground clearance makes the job easier for thieves than it is on most passenger cars.

Why Catalytic Converter Theft Is Surging Again in 2026

Catalytic converter theft never really went away, but it's back in a big way. More than 137,000 catalytic converters were reported stolen across the U.S. in 2025, and early 2026 numbers show the trend accelerating. Some cities have seen theft counts nearly triple year over year.

The driver is simple economics. Catalytic converters contain small amounts of platinum, palladium, and rhodium — and rhodium prices have more than doubled, climbing past $10,400 an ounce in early 2026. A single converter can fetch a scrapper several hundred dollars in a matter of minutes, with almost no way to trace it back to your vehicle.

What Makes the Sequoia an Easy Target

The vehicles topping today's theft lists share a few traits, and the modern Sequoia checks nearly every box:

  • High ground clearance — a thief doesn't need a jack or jack stands to slide underneath. They can be in and out before anyone notices.
  • Exposed converters — the factory converters hang low, fully visible and accessible from underneath, bolted to the exhaust with nothing shielding them.
  • Shared underbody architecture with the Tundra — the 3rd-gen Sequoia rides on the same TNGA-F platform as the current Tundra, a truck that industry data now flags as an emerging favorite for thieves specifically because of its ground clearance and easy underbody access.
  • Standard hybrid powertrain — every 2023+ Sequoia comes with the i-FORCE MAX hybrid system, and hybrid exhaust components are prized on the black market for their higher concentration of precious metals.

None of this means your Sequoia is guaranteed to get hit. It means the odds are worse than they should be, and doing nothing is a bet most owners regret only once.

What a Stolen Catalytic Converter Actually Costs You

This isn't a $50 fix. Between the part itself, labor, and the fact that many shops won't have a Sequoia-specific converter in stock, owners are commonly looking at $1,000 to $2,000+ for aftermarket replacement parts alone, and dealer-sourced OEM replacement can run considerably higher when you factor in diagnostic time, welding, and California-emissions-compliant parts if you're in a CARB state. That's before you count the days your Sequoia sits in the shop, or the deductible if your insurance even covers it.

How to Actually Protect Your Sequoia

Prevention advice you'll find everywhere — park in a garage, park under a light, etch your VIN on the converter, install a motion alarm — all helps at the margins. But none of it stops a thief who's already decided your SUV is worth the risk. The only thing that reliably does is putting a physical barrier between the thief's saw and your converter.

The RCI Offroad Catalytic Converter Guard: Real Protection for Your Sequoia

The RCI Offroad Catalytic Converter Guard | Toyota Sequoia (2023-2024) is built specifically to close the gap thieves exploit. It's CNC laser-cut from 10-gauge steel and bolts directly beneath the vehicle, fully boxing in the exposed converters instead of relying on a "one size fits all" strap or cage.

What makes it different from a generic anti-theft clamp:

  • Purpose-built fitment — engineered specifically for the 2023-2024 Sequoia's underbody, not a universal bracket bent to sort-of fit.
  • 10-gauge steel construction — heavy enough that cutting through it takes far longer than the 60-90 seconds a thief budgets for the job. Most walk away rather than risk it.
  • Integrates with RCI's skid plate lineup — it fills the gap between the frame and your transmission skid plate, so it works alongside your existing underbody protection instead of competing with it.
  • Bolt-on installation — no cutting, drilling, or modification to the factory exhaust required.

Build a Complete Underbody Defense System

The catalytic converter guard is one piece of a bigger picture. RCI Offroad builds its Sequoia protection as a matched system, so each component covers a different vulnerable point without overlapping or leaving gaps:

Product Protects Material Price
RCI Offroad Catalytic Converter Guard | Toyota Sequoia (2023-2024) Exposed catalytic converters (theft & trail debris) CNC laser-cut 10-gauge steel $242.00
RCI Offroad Engine Skid Plate | Toyota Sequoia (2023-2024) Engine and critical underbody components from rock strikes 1/4in 5052 aluminum From $387.90
RCI Offroad Fuel Tank Skid Plate | Toyota Sequoia (2023-2025) Fuel tank from punctures and undercarriage damage 10-gauge steel $350.00

Run all three together and you've closed off the exposed converters, the engine, and the fuel tank — the three places that cost the most to repair when something goes wrong underneath your Sequoia, whether that's a thief with a saw or a rock on the trail.

Protect Your Investment Before It's Too Late

A catalytic converter guard costs a fraction of what a stolen converter costs to replace — and unlike a police report, it actually stops the theft from happening in the first place. Don't wait until you're the one turning the key to a roar that shouldn't be there.

Get the RCI Offroad Catalytic Converter Guard | Toyota Sequoia (2023-2024) installed before it happens to you, or browse the full Sequoia underbody protection collection to build out complete coverage.

Frequently Asked Questions

How common is catalytic converter theft right now?

Very. More than 137,000 catalytic converters were reported stolen in the U.S. in 2025 alone, and theft rates are climbing further into 2026 as precious metal prices — especially rhodium — hit record highs.

Does insurance cover catalytic converter theft?

Only if you carry comprehensive coverage, and even then you'll typically pay your deductible out of pocket before insurance covers the rest. Liability-only policies don't cover theft at all. Check your policy before you assume you're covered.

How does a catalytic converter guard actually work?

It's a heavy-gauge steel or aluminum plate that bolts underneath your vehicle and physically boxes in the converter, so a thief can't get a saw blade to it without cutting through the guard first. That extra time and noise is usually enough to make them move on to an easier target.

How much does a catalytic converter guard cost to install?

The RCI Offroad guard for the Sequoia runs $242.00 and bolts on without cutting or modifying your factory exhaust. Most owners can install it in under an hour with basic hand tools, or have a shop do it for a modest labor charge.

Can I install a catalytic converter guard myself?

Yes. RCI's guard is a bolt-on part designed to mount to existing factory hardware points, so no welding or fabrication is required. If you're comfortable working under your vehicle with a jack and jack stands, it's a straightforward DIY job.

How should I park my Sequoia to reduce the risk of theft?

Park in a locked garage when you can. If you can't, park in a well-lit area, ideally somewhere with visible security cameras, and park close to walls or other vehicles on the side where your converter sits to make it harder to access.

What else can I do to stop thieves from targeting my converter?

Combine a physical guard with a secondary deterrent: a motion-activated alarm under the vehicle, VIN etching on the converter itself (which makes stolen parts harder for scrap yards to resell), and parking strategically. Layered deterrents work better than any single fix.

Which vehicles are most targeted for catalytic converter theft today?

The list has shifted from sedans and hybrids like the Prius toward high-clearance trucks and SUVs that don't require a jack to access, including platforms like the Tundra that the current Sequoia shares its underbody architecture with. No vehicle is off the list entirely, but easy underbody access is now the biggest factor.