Restomods, engine swaps, and custom builds often involve removing factory emissions systems. One of the most commonly deleted—and least planned for—is the factory fuel vapor (EVAP) system. When it’s removed without a replacement, builders often experience fuel smell, pressure buildup, or unsafe venting, usually after the build is already finished. What Does the Factory EVAP System Do? The factory EVAP system manages fuel vapors created inside the tank as fuel heats up and expands. Its purpose is to: Capture fuel vapors Store them in a charcoal canister Prevent fuel odor around the vehicle Allow the fuel tank to breathe safely (In most custom builds, this system is removed entirely.) What Happens When You Delete the EVAP System? Fuel vapors don’t disappear when the EVAP system is removed—they lose their controlled path. Fuel Vapors Vent to Atmosphere Open vents and breather filters allow raw fuel vapors to escape, leading to: Strong fuel smell in garages Odor inside the vehicle Fuel Tank Pressure Builds Without proper vapor management, pressure builds inside the tank, which can cause: Fuel seepage at fittings Stress on fuel system components Inconsistent behavior in hot conditions Problems Often Appear Later These issues typically show up after: Hot weather Long drives Parking with a full tank Sitting overnight in enclosed spaces Why Fuel Vapor Management Matters in Custom Builds Whether you’re running an aftermarket fuel tank, carburetor, or performance fuel system, fuel vapors still expand and move. Ignoring them doesn’t eliminate the issue—it just shifts where the problem appears. Proper vapor management improves: Driveability Garage usability Long-term reliability Overall build quality How to Manage Fuel Vapors Without a Factory EVAP System You don’t need to reinstall a complete OEM EVAP system to manage fuel vapors correctly. Custom builds require a simpler, flexible solution that: Traps fuel vapors before venting Reduces fuel smell Allows the tank to breathe Mounts easily in custom locations This is where the Vapor Trapper™  is used—providing charcoal vapor capture in a compact, universal format designed for restomods and custom builds. Plan Fuel Vapor Control Early Fuel vapor management isn’t flashy, but it directly affects how enjoyable a custom car is to live with. Planning for it early prevents rework, protects your fuel system, and keeps the build clean and functional long term. The best builds aren’t just built to run—they’re built to live with.

Every custom build is different — engine swaps, fuel systems, and layouts all vary. But one thing they all have in common? Fuel vapors still need somewhere to go. Choosing the right Vapor Trapper™ isn’t about adding another part to the build. It’s about solving a problem most builders don’t realize they still have until the car smells like gas. Here’s how to choose the right one for your vehicle. Why Vapor Control Gets Missed During swaps and restorations, factory EVAP systems are usually removed. They don’t fit the new setup, and they’re rarely designed for modified applications. So the tank gets vented. That works — until it doesn’t. Fuel vapors build pressure, escape through vent lines, and end up in the garage, cabin, or both. Modern fuels only make the problem worse. Understand Your Fuel System Layout Before choosing a Vapor Trapper™, consider: Vent line size Tank location Return or returnless system These factors influence how much vapor your system produces — and how much capacity you’ll need to capture it effectively. Choosing the Right Size Vapor Trapper™ Smaller engines and light-use vehicles may only require a compact unit.High-performance builds, larger tanks, or vehicles that see frequent heat cycles benefit from higher vapor capacity. The goal isn’t “biggest possible” — it’s right for your application. Built for Builders Vapor Trapper™ was designed specifically for custom vehicles — not adapted from an OEM application. Universal fit. Clean install. No guessing. It’s a simple solution to a problem builders have accepted for too long.

🏆 Runner-Up: Best New Street Rod & Custom Car Product 🏆 Runner-Up: Best New Powersports & Utility Vehicle Product 🏆 Two Media Choice Awards What an incredible week it’s been at SEMA 2025 ! Every year, this show brings together some of the most passionate, creative, and innovative people in the automotive industry — and this year was one for the books. We’re beyond proud (and honestly still pinching ourselves) to share that Vapor Trapper™  walked away with four  incredible honors at this year’s show. To be recognized in multiple categories among so many groundbreaking products and brands is truly humbling. These awards are a reflection of the dedication, innovation, and passion our entire team pours into what we do — and of course, the amazing support we get from our community, customers, and partners who continue to believe in the Vapor Trapper mission. We’re so grateful for how far we’ve come, and we’re just getting started. The future of Vapor Trapper™ is looking brighter than ever, and we can’t wait to show you what’s next. Here’s to more innovation, more collaborations, and more milestones ahead. Thank you, SEMA 2025 — what a ride!

Not all fuel vent filters are created equal. While other solutions may claim to reduce fuel odor, the truth is in the details - and at Vapor Trapper, we've built every element of our design around performance, longevity, and versatility. Our Proprietary Charcoal Blend The heart of Vapor Trapper is our high-performance charcoal media, specifically engineered to: Absorb more fuel vapor before saturation Work across a wider temperature range (garage, dock, or desert). Maintain airflow without restricting your fuel system. This isn't generic charcoal - it's tuned for the job. Engineered for Real-World Conditions Every Vapor Trapper is built with: Anodized aluminum housing for durability. Replaceable charcoal cartridges for long-term use. Universal fittings that make installs quick on cars, boats, ATVs, RVs, and more. Why It Matters When fuel vapors escape, you don't just get the smell - you're losing part of your fuel and breathing in chemicals. Our system traps those vapors at the source, keeping your garage, dock, or show space clean and fresh. Howe We Stack Up Compared to vent lines with open breathers or generic filters: More odor absorption (thanks to charcoal capacity). Cleaner installs that look as good as they work. Longer service life before replacement is needed. From the inside out, Vapor Trapper is designed to do one job better than anything else: stop fuel smell in its tracks. If you've tried other fixes without success, it's time to see what real engineering can do.

Installing a Vapor Trapper™ is quick, easy, and makes an instant difference in eliminating fuel odors. Whether you’re working on a classic car, ATV, boat, or daily driver, you don’t need special tools or advanced skills — just follow this step-by-step guide. Step 1: Gather Your Tools & Parts Vapor Trapper canister Billet clamps or mounting hardware Appropriate sized fuel vent line Screwdriver or socket set (depending on clamp type) Step 2: Choose the Right Mounting Location Choose a place preferably as high as possible above your fuel tank. Make sure it’s away from excessive heat sources or moving parts. We suggest having a minimum of 8" clearance if possible. On most cars, under the rear window package tray is an ideal location as it keeps it as high as possible to prevent liquid fuel from getting into the Vapor Trapper charcoal media inside. Step 3: Install the Canister Secure the billet clamps (or other mounting brackets) to your chosen surface. Slide the canister into place and tighten the clamps. Ensure it’s snug but not overtightened to avoid damage. Step 4: Connect the Vent Line Attach your fuel vent line from the tank to the inlet on the Vapor Trapper. Secure with hose clamps. Double-check that the outlet is unobstructed so air can pass through the filter. Run the exit line to exterior of the car if the Vapor Trapper is mounted in the trunk compartment. Pro Tip:  Check your canister’s charcoal media every 6–12 months, depending on usage, for peak performance. It's not what you get when you buy a Vapor Trapper for your prized possession - it's what you don't get: THAT UNWANTED RAW GAS SMELL!

The Problem No One Warned You About You spent months (or years) building your dream car , boat, or off-road toy. It looks incredible, it runs like a beast... but every time you walk into the garage, there's that punch of raw gas smell. Not only is it frustrating - it can also be a safety issue. This is one of the most common complaints we hear at Vapor Trapper, and here's the thing: it's not just you. It's a design issue in many builds, classic restorations, and even factory setups. Why Gas Smell Happens in the First Place The short answer: fuel vapor escapes from your tank vent, and without the right setup, it has nowhere to go but the air you breathe. Here are the biggest culprits: Improper vent routing - Straight to the ground or into a cheap filter that doesn't trap vapor. No charcoal canister - OEM systems use these for a reason. Thermal expansion - On hot days, fuel expands and pushes vapors out even if the tank isn't full. Overfilling - More fuel = less room for vapor to expand safely. Why the "Quick Fix" Doesn't Work The only real way to actually stop fuel smell is to trap the vapors before they escape. Vapor Trapper vent filters: Use a proprietary high-performance charcoal blend to absorb fuel vapor. Are easy to install - most customers are up and running in under 15 minutes. Works on cars, boats, RVs, and off-road vehicles. Prevent odor whether the vehicle is running, parked, or stored. Real-World Proof We've had countless customers tel us the same thing: "I didn't realize how much I had forgotten used to the smell - until it was gone. The difference was immediate after I installed the Vapor Trapper." Whether it's in the garage, at the dock, or in a storage unit, Vapor Trapper users consistently report a noticeable reduction - or total elimination - of fuel odor within hours of installation. Bonus Tips to Keep the Smell Away Even with a Vapor Trapper installed: 1. Avoid overfilling your tank. 2. Make sure your vent routing is clean and unobstructed. 3. Store vehicles in a well-ventilated space. Your dream build should turn heads - not turn stomachs. Stop living with that "gas station smell" and start enjoying your ride the way it was meant to be.

Don’t just take our word for it—check out what this customer had to say: "I finally had time after work on Wednesday to install the Vapor Trapper. It took about two hours to complete, but all but the last 10 minutes were spent trying to "T" into the vapor line on the tank due to the limited clearance between the tank and the tub. The rest was way too easy for Jeep work! The install looks very clean, and for the first time since I got the Jeep, my garage didn't smell of gasoline in the morning". I'm really glad I saw your ad, and I'll make sure I talk the Vapor Trapper up in all my online forums as well as to my buddy who builds restomods. - Jim Pruitt Real install. Real results. #NOMOREGASSMELL We’d love to see your setup! Email a picture and a quick review to  sales@vaportrapper.com  for a chance to be featured.

From a jungle of hoses to a clean, simple, and streamlined setup. Nothing better than seeing a Vapor Trapper install come together like this: Customer feedback: "Fits like a glove. And as you can see, replaced giant tank and a million hoses with a much simpler and more efficient assembly. And most importantly, it works!" Take a look at the transformation below: Before After #NOMOREGASSMELL We’d love to see your setup! Email a picture and a quick review to   sales@vaportrapper.com for a chance to be featured.

Get all your installation and technical questions answered from our technicians directly. We've Got a New Dedicated Tech Line! We’re excited to announce that we now have a dedicated phone number just for installation questions  related to the Vapor Trapper™ and our full product line! We know that when you're in the middle of a build or fine-tuning an install, you don’t have time to wait. This new tech support line is staffed by our knowledgeable technicians who can walk you through installation steps, troubleshoot issues, or provide clarity on cust om setups. 📞 New Tech Line Number:  (480) 599-1613 📅 Hours:  Monday–Friday, 8-5 PM (or leave us a voicemail and we'll get back to you! 💬 Who it’s for:  DIY builders, professional shops, or anyone needing installation help Whether you're mounting your Vapor Trapper on a classic Mustang or routing vent lines on a custom hotrod, our team is just a quick call away. This is just one more way we’re supporting the car community and standing behind the quality of our products. Have install questions? Give us a call. We’re here to help.