Ultra Performance

103 Park Avenue
Winder, GA 30680 US
1 Review
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Ultra Performance is your Metro Atlanta Porsche performance and mechanic shop for all you racing, tuning and regular routine Porsche repair needs. We serve the areas of Winder GA, Athens GA, Braselton GA, Lawrenceville GA, Norcross GA, Johns Creek GA, and the Metropolitan Atlanta area with expert Porsche service..

With over 30 years in racing experience we will do the best work and it is a guarantee. We have experience in Porsche Carrera and super cup European La Mans series, American La Mans series, Grand American sport car series, SCCA Pro Racing GT, Imsa Gt challenge, Ferrari challenge.

I want to share all my racing experience an knowledge with you and help you to achieve your goals at track so if you are in need to find the right set up for your racing car - we are your place to go We can also provide full technical and crew support for Club sport and professional racing!

Our team also offers regular maintenance for all European brands!


  • Free Wifi
  • Shuttle Service
  • Refreshments
  • After Hours Drop-Off
  • Magazines
  • Customer Lounge
  • Courtesy Car Wash

Meet Our Owner

  • Kurt Kiedel, Owner at Ultra Performance in Winder, GA

    Kurt Kiedel


    Kurt Kiedel attended and graduated from Bayerische Berufschule Ansbach in 1976 and worked for many authorized German auto repair dealers-VW and Porsche- in Ansbach, Germany throughout the 70s and early 80s. He opened his own car repair shop in 1981 in Ansbach, Germany. Over the years, Kurt has gained knowledge in the German auto repair industry from visiting many technical classes and performing repairs to European cars, as well as serving as a crew chief and technical engineer in Farnbacher Racing in the Porsche Carrera Cup and Porsche Super Cup in Europe, among several others.

    In 2008, Kurt moved to the United States of America and worked for Farnbacher Loles as senior engineer, Falken–Landmark motorsport as crew chef and Paul Miller Racing as technical director and race engineer.

    Currently, his new projects consist of: new technical design of hydraulic differential for race cars and street cars, new technical design of hydraulic anti roll bar for race cars and street cars, and he is writing a book about design, development and set up for race car chassis/suspension.

Coupons & Promotions

  • First Time Customer Special

    We offer for our first time customers 20% off on parts and labor.

    Show Coupon

Awards & Affiliations

Bosch ServiceBosch Service

1 Review

  • Tom Norton
    Tom Norton3 years ago

    I highly recommend Ultra Performance. I called Kurt on a Tuesday to have my brake fluid changed in my 2007 Porsche 911. I had the car serviced the next day. Very knowledgeable Porsche technician. Kurt Keitel will be doing all the work on my cars from now on.

    2007 Porsche 997 Targa 4S
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