Active Autowerke, leaders in custom BMW tuning and accessories

Experience the Bosch Car Service Difference. Over 15,000 service centers around the world, waiting to service your vehicle. Bosch Car Service. For everything your car needs.

​​Performance, comfort and style for the best cars.

Champion Motorsport manufactures industry-leading tubi exhausts, wheels, turbochargers and other performance upgrades for Porsche, Ferrari, Lamborghini, Maserati, Aston Martin, and Bentley Vehicles.

Serious performance and racing enthusiasts depend on XDi ignitions and TEC engine management systems. Everything we do is designed to maximize your street, track, off-road or marine performance. We’ve been achieving the ultimate in timing accuracy, spark duration and reliability for nearly 30 years!

Meisterschaft Exhausts and other performance auto parts.

HP Tuners VCM Suite package sets the industry standard with lightning fast VCM/PCM reads and writes. No other commercial package today can provide you with better ease of use, data integrity or higher reliability than the VCM Suite tuning package.

Level1tec tuning solutions allows you to unleash the ultimate power and performance along with efficiency.
We’ve partnered with some of the industry’s top tuning experts to ensure that the engine performance of your application and will go far beyond your expectations.

MAcarbon is the premier manufacturer of carbon fiber interiors for exotic, sport and luxury cars.

Engine management and data acquisition systems. MoTeC engine management and data acquisition systems are designed for performance, reliability and versatility. These ECUs are characterised by their ability to control modern engines with electronic innovations like Drive by Wire throttle and continuously variable cam timing.

Vehicle Services - Protomotive is known for its custom vehicle services which bring your Porsche to the next level. Utilizing high tech equipment with a strong motorsports engineering background, Protomotive is able to deliver an extreme product.

RENNtech is an authorized Akrapovic exhaust dealer and also the exclusive North & South American distributor for Aixro rotary race engines. Our Aixro race engines also power the worlds fastest and exclusive racing karts, the RENNtech SLR kart, which is built in house by RENNtech.

SCT Performance manufactures handheld automotive performance & fuel economy programmers and Custom Tuning Software for Ford, General Motors and Dodge / Chrysler vehicles.

The Unichip is a sophisticated supplemental computer integrated into your vehicle's engine management system putting the power of electronic engine control into the tuner's hands. It's not just data squirted into your car, it's a fully functional computer working seamlessly with your car's engine management system.

From the initial developmental stages of design and engineering at our headquarters in southern California, to the in house production, all the way to the final stages of testing all components, we pride ourselves on keeping the closest attention to detail every step of the way insuring the highest level of craftsmanship expected from a Weistec engineered machine.