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Precision Upgrades for Peak Performance
From consultation to installation, every upgrade is seamlessly integrated for maximum durability, capability, and improved driver confidence on every journey.
Built for Adventure
Enhanced Performance
Your van’s got great bones and is home to even better memories. You don’t need to start over to write a fresh, revved-up, chapter with your van, but you might need to increase its capabilities.
Gear Storing and Hauling
Maybe you’ve added more people to your crew, or new hobbies to your already-long list. Either way, we can make room for it.
Tailor Your Adventure Van to You
You aren’t the same person you were when you bought your van. You know more, you want more. Let us help take you there and then some.
Built for Adventure. Engineered for Excellence.
Upgrades aren’t just add-ons — they’re part of your van’s DNA. At Bay4, we take the same meticulous approach to performance upgrades as we do to every Yama build. No compromises. No shortcuts. Just the best.
The Process
Our process ensures every enhancement is purpose-built, expertly installed, and ready to perform.
vans we upgrade
Our process ensures every Mercedes Benz Sprinter enhancement is purpose-built, expertly installed, and ready to perform wherever the road takes you.
Yama-Built Vans
If your van was built by Yama, you already have a strong foundation. Bay4 upgrades will seamlessly integrate with the craftsmanship and engineering behind every Yama build.
DIY-Built Vans
Built your own rig? We bring professional-grade upgrades to enhance performance, safety, and reliability.
Major Manufacturer Builds
In addition to Sprinter Class B, B+ and C RVs, we elevate factory-built Class B vans like the Winnebago Revel, Airstream Interstate, Jayco Terrain, Tiffin GH1, Thor Eddie Bauer, Thor Sanctuary, Thor Tranquility, Pleasureway Plateau, Pleasureway Ascent, Leisure Travel Vans Free Spirit, ans Safari Condo XL Flex, among others.
See What’s Possible
A stronger ride, better protection, and more capability — these are just a few ways Bay4 upgrades take your van to the next level. Explore what’s possible.
Common Questions
From installation details to technical specs, here’s what you need to know before upgrading your van.
What type of upgrades do you offer?
We specialize in precision-engineered aftermarket Sprinter upgrades that enhance durability, drivability, and off-road capability. Our offerings include:
- Suspension & Handling – Upgraded shocks, lift kits, and suspension tuning for a smoother, more controlled ride in any terrain.
- Lighting & Visibility – High-output auxiliary lighting, fog-cutting LEDs, and frame-mounted solutions for safer night and off-road driving.
- Underbody Protection – Skid plates, rock sliders, and impact-resistant armor to safeguard vital components.
- Adventure Gear Installations – Tire carriers, ladders, racks, gear storage, and other solutions that optimize space, function, and adventure-readiness.
Every upgrade integrates seamlessly, is expertly installed, and built to match the way you explore. See our full list of upgrades and services here.
We do not offer partial build services for cabinetry, plumbing systems, or electrical systems.
Do you offer consultations?
Yes! Many customers bundle a wide array of upgrades. We live and breathe adventure van design and performance and are always eager to offer advice on how you can get the most out of your ride. If you have a vision, we’ll work with you to make it happen.
Do you offer partial build services?
No. We do not offer installations of van electrical systems, plumbing, or custom cabinetry. With our background in adventure van manufacturing, we know how critical it is to have fully integrated and engineered systems. To do it well, you have to do it all (like we offer with our custom adventure vans at Yama).
Are Bay4 upgrades compatible with my van?
The upgrades listed are designed for 2019+ Mercedes-Benz Sprinter models, including Yama-built vans, DIY adventure builds, and major manufacturer RV’s built on the Mercedes Benz Sprinter. If you have an older model, contact us — we’re happy to help and may have solutions available.
Who installs the upgrades?
Every Bay4 upgrade is professionally installed in-house by our team of specialists. No DIY kits, no outsourcing, just our own expert technicians ensuring that every modification meets our exacting standards.
How long does an installation take?
Timelines vary depending on the complexity of the upgrade and shop availability. Some can be completed within a few hours, and more involved upgrades may take multiple days. When you request a quote, we’ll provide a clear estimate so you know when your van will be ready to roll.
What suspension upgrades do you offer?
We install Agile Offroad Sprinter suspension systems including, aftermarket struts, weight-tuned leaf springs, shocks, bypass reservoir shocks, and many more options to improve ride quality, stability, and off-road handling. These upgrades enhance control on rough terrain while maintaining highway drivability. Common packages include:
Agile Offroad Ride Improvement Package
Agile Offroad FOX Racing Series Bypass Reservoir Shocks
Can you install high-performance lighting for better night visibility?
Yes! We offer 360-degree lighting options by Baja Designs and Diode Dynamics with various mounting positions as systems that integrate seamlessly into the OEM switch panel or an aftermarket switch panel like the Switch Pro.
Do you offer underbody protection?
Absolutely. We install Agile Offroad skid plates, rock sliders, and reinforced armor to protect essential components like the engine, transmission, and fuel tank from trail damage.
How do I get started?
Every project begins with a custom quote. Once you tell us about your van and your goals, our team will walk you through the best options for your build.
Upgrade Your Van.
Own the Road.
Push further and explore without limits. Bay4 performance upgrades are engineered for those who demand more from their vans — more capability, more durability, and more confidence on every journey.
