Kelso C.
8/5/2025
AU Tuning has been the best shop I've taken my car to--period. They've performed nearly every imaginable service on my B7 S4, and I've never once felt disappointed or questioned the value of what...
Auto Union Tuning
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1125 Las Brisas Pl
Placentia, CA 92870
Auto Union Tuning is a reputable automotive shop in Placentia, CA that specializes in performance tuning and modifications for a variety of vehicles. With a team of experienced technicians, they offer services to enhance the power and handling of cars.
From engine upgrades to suspension adjustments, Auto Union Tuning provides tailored solutions to meet the unique needs of each customer's vehicle. Their commitment to quality workmanship and customer satisfaction sets them apart in the automotive tuning industry.
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Reviews
5.085 reviews
Curtis C.
8/2/2025
They have done many services for my Golf R. From Haldex fluid changes, alignments to suspension installs. The Bilstein B6 Damptronics (DCC) I got from them are perfect. They document all of...
Mag D.
9/12/2025
This guys at Auto Union Tuning is the best to take your Audi or Porsche. They really know what they're doing. I drive from Corona, ca to get my cars serviced there. Raz and Nick and their whole...
Jorge G.
8/26/2025
This place is fire! Very knowledgeable people and great customer service I definitely recommend :)
Ft G.
7/10/2025
What a great experience! I showed up a bit early and was greeted with smiles. Met a long time customer of theirs and he raved he's been working with Auto Union Tuning for 10 years! Nick was...
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