Quantum Performance strives to provide automotive performance enthusiasts in the Wisconsin area with the highest quality vehicle services available. Quantum Performance provides many unique services, ranging from advanced racing level services, to specialty sourced or built performance parts, to completely built project vehicles. At Quantum Performance, we use our advanced training, realtime experience, and passionate attention to detail to ensure our customers recieve a truly high quality product.

A Year to Remember and Grow From!

We started the last year out with building renovations and ended our year with a shop full of cars. Thank you to all of our family, friends and customers to making our first year successfu! Without each and everyone of you we never would have made it through! Thank so much for all of your support and dedication! Quantum Performance is very excited to see what the next year of adventures will bring to our shop!

Racing season is just around the corner and we are very excited to get out and about with all of you! Quantum Performance can't wait to see all of our customers out on the track with their new winter upgrades! 

Thank you to everyone for their continued support and help in making this a reality. Our goal is to provide customers with a very high level of quality service typically not found in this area. With your ongoing support we will continue to deliver just that. We are continuing to grow and develop our knowledge and skills to properly suit your needs. 


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At Quantum Performance, we specialize in many different High Performance and Race oriented services.  See the Shop Services section for more information.

Asian Vehicles Serviced:  Nissan/Infiniti, Subaru, Toyota/Lexus/Scion, Mazda, Mitsubishi, Hyundai.

European Vehicles Serviced: Audi/Volkswagen, Porsche, BMW, Lotus.

Please email us for services available specifically for your make/model.