Thomure's Performance
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Thomures Performance Tuning

Maximum performance. Proven on the dyno. Built to be driven.

TUNING SPECIALISTS

We tune on the industry's leading platforms.

Haltech Authorised Dealer
HP Tuners
Holley
MoTeC

OUR TUNING PROCESS

It starts with a conversation about your truck or car, your mods, and your goals. From there we build a custom calibration, validate it on our in-house dyno, and fine-tune drivability through real-world data logging. You leave with proven power and a tune that's safe for the long haul - backed by ongoing support and revisions. Local or mail-order, the standard is the same.

CALL 314-578-0353
How much power will I gain?

It depends on your platform and supporting mods. A custom tune on a stock or bolt-on setup unlocks noticeable, safe gains; forced-induction and fuel upgrades unlock much more. We set realistic targets for your combo and prove them on the dyno.

Do I need to bring my vehicle in, or can you tune remotely?

Both. Local customers get in-house dyno tuning; if you're not nearby, our mail-order service lets you send your ECM or data logs and we tune you remotely, nationwide.

Is a custom tune safe to daily drive?

Yes - that's our standard. Every tune is validated for drivability and long-term reliability, not just peak numbers, so your vehicle stays dependable day to day.

TUNED & VERIFIED ON OUR

IN-HOUSE DYNO

CUSTOM CALIBRATIONS FOR

DIESEL & GAS

MAIL-ORDER TUNING,

NATIONWIDE

WHAT WE TUNE
Diesel trucks - Cummins, Power Stroke & Duramax
Gas performance - muscle, sport & late-model
Turbo, supercharger & nitrous setups
E85 / flex-fuel calibrations
Transmission & drivability tuning

Tuned our LS-swap in time for our wedding

Because of Taylor, we were able to get our LS-swapped bus tuned and road worthy just in time to use it on our wedding day and go on our honeymoon 11 hrs away in Virginia. The tune was fantastic and Taylor was a pleasure to do business with! Will definitely be using him for all of our future tuning needs. Thanks again for everything Taylor!
Josef Bosnyak
Google Review

Way more than I expected - '15 Sierra tune

I needed a tune after doing an AFM/DOD delete on my '15 Sierra, and Taylor at Thomure's Performance worked me into their busy schedule with a lot full of other work to be done. He was very informative and answered any and all of my questions with sources and great results. Very happy with how my truck turned out - way more than I expected. I'll be bringing my truck back for future tuning and exhaust work.
Eric Martin
Google Review

10/10 - took great care of my build

Brought my vehicle to him in pretty bad condition, in desperate need of a tune and some other little things. Taylor took great care of me and made sure to communicate any issues or problems popping up - and had solutions for all of them. 10/10, very satisfied with the way I got my vehicle back. Would highly recommend him to anyone with an LS, Ford, or Mopar.
Justin Beirne
Google Review

REQUEST A TUNING QUOTE

Tell us your year/make/model, engine, current mods, and power goals - we'll get back to you within 24 hours.
Prefer to talk it through? Call us at 314-578-0353.
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