ET Tuning

6 Williams Dr,
Union, MO 63084 US
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Over 30 years servicing and racing Porsche vehicles. ET Tuning is a full service repair facility, everything from minor oil services to full engine over hauls. We are a L&N Engineering recognized IMS install shop. Also provide all types of vehicle upgrades, Dynojet all wheel dyno services, ECU, suspension, brake, and engine upgrades available.


  • Free Wifi
  • Refreshments
  • After Hours Drop-Off
  • Magazines
  • Customer Lounge
  • Walkable Area