Prefix Performance/Service Center at M1 Concourse in Pontiac, MI


Prefix Performance Center at M1 Concourse

In August of 2023, Prefix officially opened the Prefix Performance Center, located directly within the 87-acre M1 Concourse private garage facility in Pontiac, Michigan. The 3-bay performance shop serves the 250+ garage condo owners on the property and those who use and rent the track facility. Work the Prefix team performs track-side includes: pre-race tech inspections, regular vehicle service, wheel/tire mounting and balancing, and related performance vehicle services.

Beginning in 2024, Prefix will also be the authorized service/support center for the Radical race vehicles.

2024 M1 Concourse Events

Join the Prefix Performance team at these M1 Concourse events in 2024:

Jan 4
North American Car, Truck & SUV of the Year Awards
Apr 6
M1 Cars & Coffee ~ Ford Lincoln Mercury
May 4
M1 Cars & Coffee ~ JDM Asian Brands
May 19
Distinguished Gentleman’s Ride
Jun 8
M1 Cars & Coffee ~ GM Brands
Jun 25 & 26
Teen Street Skills
Jun 30
“Cars Under the Stars” Fireworks Spectacular
Jul 6
M1 Cars & Coffee ~ Antique, Vintage and Classic
Jul 9
Collector Car Appreciation Day
Jul 14
M1 Cycling Classic
Aug 3
M1 Cars & Coffee ~ Hot Rods & Customs
Aug 9
Sick PowerFest presented by M1 Concourse
Aug 16 & 17
Woodward Dream Show
presented by Comerica Bank
— featuring 1964 and the Pontiac GTO and celebrating the evolution of the Funny Car
Aug 17
Woodward Dream Parade & Cruise In
Oct 3–6
American Speed Festival
Oct 3
Drive and Dine Tour / Motor Grill & Welcome Reception
Oct 4
Track Performance Day One / M1 Private Garage Reveal
Oct 5
Track Performance Day Two / Checkered Flag Ball
Oct 6
“Speed & Style” Classic and Race Car Show
October 12
M1 Cars & Coffee ~ Chrysler, Dodge, Plymouth, Mopar

Viewing Events
Indy 500 & Le Mans 24

Prefix Performance at a Glance

From high-end restorations to enhancing the performance of race machines and exotic sports cars, the engine and performance division of Prefix is always involved with wild and interesting vehicle projects. Our wide-ranging capabilities means most everything can be handled under one roof. In addition, this talented and experienced team provides engine design, engineering, development and testing for OEMs, professional race teams, and specialty industry projects.

The department includes a variety of high-level analytical tools and measurement systems, as well as extensive engine rebuild and testing equipment.

Write to with your performance-related inquiry and we'll get back to you within one business day.

Prefix Performance Services



The performance team at Prefix has the expertise and equipment required to complete vintage restorations, resto-mods, and custom specialty vehicles. Everything from fabrication, engine performance, interior trim, aftermarket accessories, and show car paint and finishing.

Prefix Performance restoration & resto-mods
Complete frame-off restorations and resto-mods are popular projects at Prefix. Start by sending us a few photos of your vehicle, and then let's discuss the ideas and vision you have for the project.
Custom Genovation GXE Corvette interior
Prefix is recognized as the premier builder of industry prototypes and full-scale concept vehicles in North America. These capabilities for creating all aspects of a vehicle, come in handy when our performance clients are looking for something truly unique. Custom interiors, paint, and electronics are just the beginning.
Viper custom paint and performance upgrades
Prefix has been part of the Viper community for many years, servicing, repairing, and enhancing the performance of the iconic American muscle car. From custom paint to performance upgrades, Prefix is Viper.
Prefix Engines



The Prefix team provides experienced engine design, engineering, development, and testing for OEMs, professional race teams, and specialty industry projects. This department includes a variety of high-level analytical tools and measurement systems, as well as extensive engine rebuild and testing equipment.

PREFIX team at the new HQ
If you want your vehicle to go fast, handle well, and look great, contact the Prefix Performance team!
Prefix 9.0L Viper upgrade
VIPER - Incredible power and performance from the Prefix 9.0L Viper upgrade. Check out the various Viper options HERE, and contact us for additional information.
Our performance team is also into trucks and Jeeps! We often complete specialty vehicle projects for television, movies, and industry shows like SEMA and CES.
Prefix Performance parts


A wide variety of parts and accessories are currently available in the Prefix Performance Shop.

Shop our Catalog

Prefix Performance Gallery