Quantum Performance

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

ience, and passionate attention to detail to ensure our customers recieve a truly high quality product. Asian Vehicles Serviced: Nissan/Infinitit, Subaru, Toyota/Lexus/Scion, Mazda, Mitsubishi, Hyundai. European Vehicles Serviced: Audi/Volkswagen, Porsche, BMW. Full Service Maintenance

Race level maintenance utilizing high performance products. Full vehicle safety inspections performed by ASE certified technicians. Advanced diagnostics. Factory level maintenance using factory recommended procedures and products
Performance Parts Installation

Experienced advice on correct part selection. Performance goal oriented personalized planning and guidance. Professional installations and adjustments. Chassis Adjustments

Custom suspension system adjustments
Corner balancing
Harness bar setup and adjustment
Race seat installations
Track Day Preparation and Support

Pre-race safety and performance inspections. On site track day support upon request.

06/24/2026

PART 2 - C5 Corvette dash buttons repurposed.

PART 1 - C5 Corvette Z06 getting an Haltech UC-10 digital dash upgrade to go with their build. Here’s a little video to ...
06/23/2026

PART 1 - C5 Corvette Z06 getting an Haltech UC-10 digital dash upgrade to go with their build. Here’s a little video to show you some of the bonus functions we utilized by wiring up the factory equipped buttons.

VB WRX in for some fun! intake and intercooler, tuned via . Also some coils to get things planted.
06/07/2026

VB WRX in for some fun! intake and intercooler, tuned via . Also some coils to get things planted.

Lots of clean GD’s lately. This one is overbuilt and under run, making 400whp on 93 octane. Tuned in house via , engine ...
06/01/2026

Lots of clean GD’s lately. This one is overbuilt and under run, making 400whp on 93 octane. Tuned in house via , engine via , and turbo via .

04/20/2026

Office/Shop Assistant

We are seeking a dynamic and organized Office/Shop Assistant to join our team! This role offers an exciting opportunity to be the first point of contact for visitors and clients, manage administrative tasks efficiently, and support daily operations across our office and shop environment. The ideal candidate will bring enthusiasm, excellent communication skills, have automotive knowledge and passion and a proactive approach to ensure smooth and professional service delivery

Responsibilities
• Greet visitors, clients, and vendors warmly, providing exceptional customer service at the front desk
• Cleaning of vehicle parts and shop space
• Assisting technicians with mechanical jobs
• Manage phone, answer inquiries promptly, and direct calls accurately using professional phone etiquette
• Handle data entry, filing, and document proofreading to maintain organized records and ensure accuracy
• Assist with office management tasks such as calendar management, scheduling appointments, and coordinating meetings
• Maintain office supplies inventory, order necessary materials, and ensure the workspace remains tidy and functional
• Provide administrative support including typing correspondence, managing emails and supporting customers.

Super clean 2005 STI came in for new suspension goodies, brakes, a health check and tuning. This is a great baseline for...
04/08/2026

Super clean 2005 STI came in for new suspension goodies, brakes, a health check and tuning. This is a great baseline for where these cars should be on pump gas with the stock turbo on our dyno. We love keeping these on the road!

Address

288 Meadowlark Road
Fredonia, WI
53021

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 4pm

Telephone

+12628252760

Website

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