Our Approach

We are one of South Florida's premier shops specialized in Custom Trucks, Jeeps, American Muscle, Custom Fabrications, Off-Road Rigs, and beyond.

We are a proud SEMA member, off-road enthusiasts, big wheel lovers and we are growing as a company, as well as a shop on a daily basis with sales expanding now all around the Caribbean.

"Our philosophy" or "Our vision" is based on only one objective : To build the best trucks and Jeeps South Florida and the World can dream of.  At United Performance, no limits are set...

Our Story

United Performance was started in late 2016 by Shawn Harmon, a master mechanic and Custom Trucks enthusiast, born and raised in the heart of Ohio aka the manufacturing nerve of the US automobile industry.

Meet the Team

Our Team is growing fast and we are now represented in multiple countries and geographical areas


Shawn Harmon

Founder & CEO

Also known as DR. DIESEL, Shawn is the head of United Performance and will customize any truck with ease. With over 10 years experience in custom fabrication, suspension, and outfitting trucks, jeeps as well as special projects.

Custom F150 5.0 Coyote King Edition - Sponsored by OR-Fab, RIGID Industries, United Performance


Doug Lorey

Outside Sales

Doug is Shawn's right arm and a huge custom truck enthusiast. He is United Performance's outside sales specialist and manages our sales in the Caribbean.

Custom F250 Power Stroke Turbo - Sponsored by RIGID Industries, Wapoow, United Performance

Next Steps...

Call us today and let us handle your wildest projects!