Holley EFI
tuning services.
Your Holley EFI tuning specialists — Dominator, Terminator X and Terminator X Max tuned in-house on our Mustang dyno.
$650 – $1,000,
depending on the car.
The cost to tune your Holley EFI-equipped vehicle varies greatly depending on the vehicle, engine and modifications involved, but a rough estimate would be $650–$1,000.
What is included with my tune?
Whenever we do any sort of tuning to a vehicle we always do a baseline dyno pull before we get started and then another dyno pull once the project is finished. This allows us — and you — to see the results of the work and the investment.
Which Holley systems do you tune?
In-house: Holley Dominator, Holley Terminator X, Holley Terminator X Max. Late-model Ford and GM calibrations on our performance packages are handled by Bumbera’s and Shoemaker Performance.
Do you tune superchargers and turbo kits?
Yes — every supercharger and turbo package we sell is installed and tuned here. Speed-density conversions and M5/nitro fuel tunes are on the Stage 4 and 5 sheets.
Where is the dyno?
In the main shop at 6513 SE I-10 Frontage Road, Sealy, TX — by appointment only. Call (281) 493-9300.

Every pass logged, every table earned.
Baseline pull, tune, final pull. You leave with the sheet.
Read before you book.

Houston Area Dyno Tuning
Some of the best car tuners in the country can be found in the Houston area as Houston is a hub for performance shops. So in what situation would you need a car tuner? When you add performance modifications that increase airflow, power, or both such as headers, nitrous, a supercharger or a turbo, you will need a custom tune.
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The Difference Between Wheel Horsepower and Engine Horsepower
Cars are typically defined by the amount of horsepower they have. However, there are often two types of horsepower numbers tossed around in discussions - engine horsepower and wheel horsepower.
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Pros and Cons of An EFI System
EFI systems have become increasingly popular over the last few years. Many people are looking to swap their carburetor for an updated system that is more reliable and one that they can “set and forget”. But with so many systems out there it’s hard to decide which one to go with and if it’s even worth doing at all.
Read moreBook a dyno tune.
Tell us the vehicle, the EFI system and what’s on it. We’ll quote the tune and get you on the calendar.
