What are the opening hours?

Monday 8am - 5pm Tuesday 8am - 5pm Wednesday 8am - 5pm Thursday 8am - 5pm Friday 8am - 5pm

ET Tuning

Meticulous care for sports cars, luxury cars, racers & daily drivers alike.
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09/17/2026

Fall is the time to get REVVED UP! 🏁

Cooler temps, crisp air and the perfect excuse to give your ride a little extra attention. Whether you’re chasing more power, better performance or just want everything running right, ET Tuning has you covered.

🔥 Tune it.
🏎️ Drive it.
🍁 Enjoy the season.

Get your ride fall-ready with ET Tuning!

07/10/2026

The shop's been hopping lately. Thanks for sticking with us and trusting ET Tuning with your builds.

We appreciate you!

06/01/2026

Smiles per gallon just went up 🙂

04/29/2026

𝘘𝘶𝘪𝘤𝘬 𝘩𝘦𝘢𝘥𝘴 𝘶𝘱 𝘧𝘰𝘳 𝘢𝘯𝘺𝘰𝘯𝘦 𝘭𝘰𝘰𝘬𝘪𝘯𝘨 𝘵𝘰 𝘴𝘵𝘢𝘳𝘵 𝘢 𝘯𝘦𝘸 𝘱𝘳𝘰𝘫𝘦𝘤𝘵 𝘸𝘪𝘵𝘩 𝘶𝘴:

For all 𝙣𝙚𝙬 𝙞𝙣𝙦𝙪𝙞𝙧𝙞𝙚𝙨 𝙤𝙧 𝙫𝙚𝙝𝙞𝙘𝙡𝙚 𝙖𝙨𝙨𝙚𝙨𝙨𝙢𝙚𝙣𝙩𝙨, please start with the quick form on our website. It’s the fastest way for our team to review your build and get back to you with the right next steps.

We appreciate the interest and are excited to get your next project dialed in with our crew. 🔧

https://ettuning.com/

04/02/2026

Not quite ready to ride?! We got you 🔧🔥

From diagnostics to full tune-ups, we’ll get you dialed in and back on the road.

03/18/2026

Spring car shows are rolling back in! Is your ride ready to show up and show off? 👀

Hop on our schedule now to get tuned, dialed, and ready to RIDE. 🔧💨

02/03/2026

Thinking about upgrading your Subaru?
Bring it to ET Tuning for COBB installs and performance upgrades you can trust.

Subaru of America, Inc. + COBB Tuning 💨

01/28/2026

Big power for the newest builds is officially here.

ProCharger is now shipping supercharger kits for 2026 models, and ET Tuning can source the kit and handle the full install for you.

𝘌𝘢𝘴𝘺. 𝘊𝘭𝘦𝘢𝘯. 𝘚𝘦𝘳𝘪𝘰𝘶𝘴 𝘨𝘢𝘪𝘯𝘴.

🔥 𝙒𝙝𝙖𝙩’𝙨 𝙧𝙚𝙖𝙙𝙮 𝙣𝙤𝙬:

2026 F-150 – up to 80% more horsepower with OEM-level fit and daily drivability

2026 S650 Mustang – +325 HP from street to strip

2026 GM 1500 trucks & SUVs – 45–50% HP gains for work or weekend fun

2023–24 Ford F-250/F-350 (7.3L) – big, reliable power built to work hard

If a 2026 build is on your radar and you want boost done right, ET Tuning has you covered from order to install.

That unmistakable supercharger whoosh is just a call away!

01/02/2026

Good news for your car. Even better news for our shop. 😎
As a new ProCharger dealer, ProCharger parts come directly to us.

You bring the car. We handle the boost!

12/08/2025

𝙎𝙝𝙤𝙥 𝙐𝙥𝙙𝙖𝙩𝙚!

The ET Tuning crew is hitting the road this week for the Performance Industry Trade Show in Indy to get hands-on with the newest tech and training. Translation: we’re coming back even faster. 😉🔥

📅 Closed all week
📅 Reopening Monday
📅 Holiday Fridays = closed

Thanks for rolling with us — can’t wait to put this new knowledge to work on your ride! ⚙️✨

Address

6 Williams Drive
Union, MO
63084

Opening Hours

Monday	8am - 5pm
Tuesday	8am - 5pm
Wednesday	8am - 5pm
Thursday	8am - 5pm
Friday	8am - 5pm

Telephone

+16365839191

Website

http://www.ettuning.com/

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