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Providing the

The BEST in Automotive PERFORMANCE

YOUR ONE STOP SHOP

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Custom Tuning

Virtually EVERY Platform

SCT

Diablo Sport

Nearly every make and model

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Truck Performance

Second to None

Towing the Boat

Job Site

...to Racing

We got you covered!

Southern Speed Inc.

Your Best Choice for all of your Automotive Performance & Tuning needs. DiabloSport Products, SCT, stand alone systems, and support for every tuning platform available.


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    Custom Tuning

    SCT?  Diablo Sport?  Let us help you decide. Read More

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    Truck Performance

    Tuning and Performance for your TRUCK. Read More

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    Nearly EVERY Platform

    Not just a one hit tuner, we do them all. Read More

Memorial Day Tune Specials! F150 5.0, 5.4, 6.2, Ecoboost, Explorer Sport, and SHO.

We will have a Memorial Day tune sale starting tonight and thru Monday the 25th. We will have 5.0, 5.4, and 6.2 F150 tunes, 2 for $100.00, F150 EcoBoost, SHO, and Explorer Sports tunes 2 for $125.00. Now you have a chance to get the most popular, best driving, power, performance, and mpg tunes along with the best shifting available for a reduced price. These tunes are as custom as you will ever wa…


GEN8 released for Ecoboost F150, 5.0, 6.2, SHO, Explorer Sport- 3 Custom tunes 200.00!

Continuing our development of the best tunes on the planet for the F150, we have raise the bar once again and supply the smoothest, fastest, best driving tune to date with the release of GEN8. This extended to the 5.0, 6.2 as well.  The most advanced tune ever delivered exceeding all customer expectations with performance, drivabilty, mpgs, and the best shifting in the business. There is a tem…


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