If you’re looking for diesel performance bolt-ons in Franklin County, Missouri, we've got you covered!
Here at FASS Motorsports in Washington, MO, we stock and sell a wide range of easy-to-install diesel performance parts — and if we don’t have exactly what you need on the shelf, we can order it fast.
From simple airflow upgrades to monitoring, fuel system components, and under-hood accessories, we carry the best brands in diesel performance.
What We Mean by “Diesel Performance Bolt-Ons”
Not every mod has to involve tearing an engine apart or building a race truck (though we enjoy that too).
Diesel performance bolt-ons are parts that:
- Install easily
- Improve performance, reliability, or drivability
- Add functionality or style
- Work great for daily drivers and work trucks
The majority of diesel performance parts that we sell fit this description.
Air Intakes & Intake Components
Air intakes, intake manifolds, and piping kits are extremely popular among our local customers. They improve performance, efficiency, looks, and can typically be installed right in your garage.
We offer:
- Cold air intake systems
- High-flow intake tubes
- Intake manifolds
And we only sell brands we believe in—including S&B, Wehrli Fab, No Limit Fabrication, and Pusher, to name a few.
Exhaust Tips & DPF-Back Exhaust Systems
Sometimes you just want your truck to look better. While exhaust tips and DPF-back exhausts aren't really a performance upgrade—they're super easy to install and can completely change the look of your truck.
We carry:
- Exhaust tips
- DPF-back exhausts for 2007+ diesels (no, we don't sell "off-road" exhausts, don't ask)
- Polished and coated finishes
- Various diameters and styles
FASS Connect Digital Monitoring Systems
Knowing what your truck is doing in real time matters.
We stock and sell the FASS Connect Digital Monitoring System, which allows you to wirelessly monitor parameters such as:
- Fuel pressure
- Temperature
- EGT (with optional sensors)
- Battery voltage
- Filter life
It’s an easy way to keep an eye on your truck’s health.
Valve Covers & Under-Hood Accessories
We offer bolt-on under-hood upgrades including:
- Valve covers
- Dress-up hardware
- Bolt-on hood mirrors
Great for both function and appearance.
FASS Fuel Filters & Fuel System Components
Clean fuel is critical for modern diesel engines.
We stock:
- FASS replacement fuel filters
- Water separators
- Fuel system accessories
Whether you already run a FASS system or plan to install one, we’ve got you covered.
A-Pillar Gauges & Monitoring Accessories
Traditional gauges are still extremely popular.
We offer:
- A-pillar gauge mounts
- Boost gauges
- Pyrometer gauges
- Fuel pressure gauges
Simple installs that give you critical information.
Traction Bars
We offer a huge selection of traction bar kits from
Great for:
- Towing
- High-torque applications
- Lifted trucks
They’re a bolt-on upgrade with real-world benefits.
In Stock or Quickly Ordered
We keep many popular bolt-ons in stock.
If we don’t have what you need, we can quickly order it for:
- In-store pickup
- Direct-to-you shipping
No guessing. No hoping it fits. No wasting money.
Serving Franklin County & Surrounding Areas
We proudly serve customers from:
- Washington
- Union
- Sullivan
- St. Clair
- Pacific
- And the greater Franklin County area
If you’ve been searching for diesel performance parts near me, we’re your local source.
Why Buy Bolt-Ons from FASS Motorsports?
- We understand diesel trucks
- We help with fitment
- We offer installation
- We stand behind what we sell
Our goal is to help you build a better truck — the right way.
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
