Big Dawgs Toyota Tuning

Big Dawgs Toyota Tuning Toyota & Lexus ECU tuning specialists. Improving performance, drivability & functionality. OTT authorized retailer.
đź“Ť Tennessee | By appointment only.
(2)

08/13/2026

🚨 Just a PSA 🚨

08/03/2026

Thank you to everyone who came out to our Chattanooga Overland Tailor Tuning tuning event! It was a pleasure meeting everyone, and we can’t wait to come back.

And a big thank you to 3am Customs for allowing us to set up shop for the day. If you’re in the area and need some work done, go see them 👊🏽

07/31/2026

🚨New stock alert🚨

Shirts are in stock, if I owe you one - reach out and I’ll get it to you.

Also, 3G Tacoma owners: you’ll want to watch until the end. We have 3 speedometer calibration modules in stock & ready to ship. These will correct your speedometer after adding a tire larger than stock. Enjoy your weekend 👊🏽

Recently had this super clean 2014 FJ come through. For having 165k miles on the dash - this thing was immaculate. We go...
07/27/2026

Recently had this super clean 2014 FJ come through. For having 165k miles on the dash - this thing was immaculate. We got him set on the “mild” throttle setting. With that, he was able to leave with increased throttle response, improved shifting, and more HP/TQ in the midrange where it matters.

Got our guy Anthony on the OTT tune recently. He has a fully purpose built rig that’s meant to handle anything. Now his...
07/14/2026

Got our guy Anthony on the OTT tune recently. He has a fully purpose built rig that’s meant to handle anything. Now his 4R matches that with the way it drives.

âś… Increased throttle response
âś… Improved shifting
âś… Increased HP/TQ

Are you ready to get scheduled?

Chattanooga! You’ve been asking, and we’re delivering. Come get your OTT tune on August 1st with Big Dawgs Toyota Tuning...
07/10/2026

Chattanooga! You’ve been asking, and we’re delivering. Come get your OTT tune on August 1st with Big Dawgs Toyota Tuning. We have availability for most of the day, but don’t sleep on making your appointment. It will get fully booked up before you realize it.

đź“ŤAddress provided once your deposit is placed.

07/02/2026

Have you seen our new website? We’ve updated it, added this video, and have added new products. There’s still more to come, including apparel, performance upgrades, and more. What would you like to see us carry?

After 5 years in business, we’ve officially updated our logo! Super happy with how it came out. Liked our old logo more?...
06/22/2026

After 5 years in business, we’ve officially updated our logo! Super happy with how it came out. Liked our old logo more? Don’t worry - it’s not going anywhere. We’re keeping around & on merch/stickers as our OG logo.

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Clarksville, TN
37040-37044

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