Chrome Shop Mafia | We Build America's Favorite Custom Trucks!

The family reunion has been set and the Bossman is calling a family meeting. Reserve your spot for the 2021 truck show in Joplin today!

Our Services

Based in Joplin, Mo we are here to help you customize your rig, From Performance enhancers, to custom part and everything in between CSM and 4 State Trucks have you covered!

Custom
Fabrication

Have you thought about customizations that you want but don’t have the expertise to make it happen? Chrome Shop Mafia is here to help!

Installation
By 4 State Trucks

4 State Trucks offers a variety of installation services. If you need something installed on your rig give our crew a call today for a quote.

Performance
Enhancers

4 State Trucks and Chrome Shop Mafia offer a wide variety of performance-enhancing parts for your rig.

Problem
Solvers

Do you have an idea you don’t know how to bring to life? Have you thought about customizations that you want but don’t have the expertise to make it happen? Chrome Shop Mafia is here to help!

Testimonials

Cody in the fab shop was very patient with my wife and her ideals. Cody’s work came out awesome. Micheal in the install shop worked miracles on my truck. Like to give a shout out to everyone else in the install shop you are awesome. Jimmy the install manager was very patient and helpful. Pena at parts counter very helpful and worked miracles to find parts. Everyone at 4 states is awesome. We are coming back in a month have lots more for them to do.

Quanette Lynch

Friendly, and clean, anything you could ever want for you’re truck!

Don Ferguson – 5/27/20

Wonderful place to go and get your truck “Tricked out ” Very helpful staff and the Bossman took time to come down to visit

Rick Helms – 5/18/20

Our Staff

Bryan “Bossman” Martin

Cody “Ringo” Burch

We Know You're A Boss

Time To Be A ROADBOSS

* FREE SHIPPING on over 10,000 semi-truck parts
* Special DISCOUNTS EVERY DAY
* Earn CASHBACK on every order
* Receive a FREE GOODY BAG with over $100 of CSM merchandise
* $149.99 for the FIRST YEAR of membership
* Renewal fee is ONLY $79.99 each year after
* DOUBLE SAVINGS on your birthday
* Discounts at CSM AFFILIATES
* Preferred parking at our annual TRUCK SHOW

For Road Boss renewal purchase after your first year, please call 877.450.2179 ext. 210 for details.

Learn More

Prices List

We do more than you think. If you can dream it for your rig, we can build it. Our parts pros can help you locate that perfect aftermarket part or our fab and install shop can get it done right.