At FASS Motorsports, we believe upgrading your truck should be exciting — not stressful!
That’s why we offer no-hassle quotes, honest build consultations, and professional installation services for truck, SUV, Jeep, and UTV owners throughout Franklin County, Missouri.
Whether you’re installing a simple leveling kit, upgrading your fuel system, or planning an all-out custom truck build, our goal is simple: make the process easy, transparent, and done right the first time.

What “No-Hassle” Really Means at FASS Motorsports
When we say no-hassle, we mean exactly that. No pressure. No confusing upsells. No runaround.
Here’s what customers in Franklin County can expect when working with FASS Motorsports:
- Clear, upfront quotes
- Honest recommendations based on your goals and budget
- No unnecessary parts or labor
- Real answers from people who actually build trucks
Whether you’re new to truck upgrades or deep into the diesel world, we meet you where you’re at.
Free Build Consultations — Let’s Talk About Your Truck
Not sure what your truck needs? That’s where our build consultations come in.
During a consultation, we’ll talk through:
- How you actually use your truck (daily driver, towing, off-road, work, show)
- Your long-term goals (stance, performance, reliability, looks)
- Your budget and timeline
- What upgrades make sense — and which ones don’t
We’ll help you prioritize upgrades so you’re not wasting money or redoing work later. No cookie-cutter builds — every truck is different.

Bolt-On Installations Done Right
Many Franklin County customers come to us for clean, professional installation of popular bolt-on upgrades, including:
- Leveling kits
- Lift kits
- FASS Fuel Systems
- Cold air intakes
- Piping Kits
- Wheels and tires
- Lighting upgrades
These upgrades might seem simple — but proper installation, torque specs, alignment, and fitment matter. Our team makes sure everything is installed correctly so your truck drives the way it should.
Custom Truck Builds — From Mild to Wild
Looking to go further? FASS Motorsports specializes in full custom truck builds, from clean daily drivers to extreme performance and off-road setups.
Custom build services include:
- Suspension systems (Carli, PMF, BDS, ICON, and more)
- Fuel system upgrades
- Turbo and air intake upgrades
- Brake upgrades
- Steering and control arm upgrades
- Interior and exterior customization
We help you plan the entire build — parts, labor, sequencing, and future upgrades — so everything works together as a complete package.

Diesel, Gas, Jeep & UTV Builds Welcome
While we’re well known in the diesel world, our shop works on a wide range of vehicles, including:
- Cummins, Duramax, and Powerstroke trucks
- Gas-powered trucks and SUVs
- Jeeps
- UTVs and side-by-sides
If it needs suspension, fuel, wheels, tires, lighting, or performance upgrades — chances are we can help.
Why Franklin County Residents Choose FASS Motorsports
Truck owners throughout Franklin County, MO choose FASS Motorsports because we offer:
- A local showroom and installation facility in Washington, MO
- Experienced technicians who actually build and drive trucks
- Top-tier brands and proven parts
- Honest advice — even when it means spending less
- A smooth, stress-free experience from quote to install
We’re not here to rush you through a sale — we’re here to help you build a truck you’ll love for years.

Get a No-Hassle Quote or Consultation Today
If you’re located in Franklin County, Missouri or the surrounding area and are thinking about upgrading your truck, we’d love to help.
👉 Visit FASSMotorsports.com
👉 Stop by our showroom in Washington, MO
👉 Contact us to schedule a quote or build consultation
Have Questions? We're here to help.
- Phone: (636) 429-7020
- Email: info@fassmotorsports.com
FASS Motorsports
25 Town and Country Drive
Washington, MO 63090